Home / 74,970.02-112,422-28,190

Finding the Fourth Proportional to 74,970.02, 112,422 and 28,190

Calculator

Solution

The fourth proportional to 74,970.02, 112,422 and 28,190 is: 42,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,970.02 : 112,422 = 28,190 : x
  2. Step 2: Convert to fraction form
    74,970.02/112,422 = 28,190/x
  3. Step 3: Cross multiply
    74,970.02x = 112,422 × 28,190
  4. Step 4: Simplify right side
    74,970.02x = 3,169,176,180
  5. Step 5: Solve for x
    x = 3,169,176,180/74,970.02
  6. Step 6: Final answer
    x = 42,272.58

Related Problems

Find fourth proportional to 37,485.01, 56,211 and 14,095
Half scale
Find fourth proportional to 149,940.04, 224,844 and 56,380
Double scale
Find fourth proportional to 74,971.02, 112,423.50 and 28,191
Similar ratio
Find fourth proportional to 112,455.03, 168,633 and 42,285
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.