Home / 120,649.87-166,516.75-66,952.18

Finding the Fourth Proportional to 120,649.87, 166,516.75 and 66,952.18

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Solution

The fourth proportional to 120,649.87, 166,516.75 and 66,952.18 is: 92,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,649.87 : 166,516.75 = 66,952.18 : x
  2. Step 2: Convert to fraction form
    120,649.87/166,516.75 = 66,952.18/x
  3. Step 3: Cross multiply
    120,649.87x = 166,516.75 × 66,952.18
  4. Step 4: Simplify right side
    120,649.87x = 11,148,659,710.85
  5. Step 5: Solve for x
    x = 11,148,659,710.85/120,649.87
  6. Step 6: Final answer
    x = 92,405.07

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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.