Home / 106,857.20-147,436.44-69,086

Finding the Fourth Proportional to 106,857.20, 147,436.44 and 69,086

Calculator

Solution

The fourth proportional to 106,857.20, 147,436.44 and 69,086 is: 95,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857.20 : 147,436.44 = 69,086 : x
  2. Step 2: Convert to fraction form
    106,857.20/147,436.44 = 69,086/x
  3. Step 3: Cross multiply
    106,857.20x = 147,436.44 × 69,086
  4. Step 4: Simplify right side
    106,857.20x = 10,185,793,893.84
  5. Step 5: Solve for x
    x = 10,185,793,893.84/106,857.20
  6. Step 6: Final answer
    x = 95,321.55

Related Problems

Find fourth proportional to 53,428.60, 73,718.22 and 34,543
Half scale
Find fourth proportional to 213,714.40, 294,872.88 and 138,172
Double scale
Find fourth proportional to 106,858.20, 147,437.82 and 69,087
Similar ratio
Find fourth proportional to 160,285.80, 221,154.66 and 103,629
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.