Home / 123,229.40-170,057.10-66,641.24

Finding the Fourth Proportional to 123,229.40, 170,057.10 and 66,641.24

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Solution

The fourth proportional to 123,229.40, 170,057.10 and 66,641.24 is: 91,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,229.40 : 170,057.10 = 66,641.24 : x
  2. Step 2: Convert to fraction form
    123,229.40/170,057.10 = 66,641.24/x
  3. Step 3: Cross multiply
    123,229.40x = 170,057.10 × 66,641.24
  4. Step 4: Simplify right side
    123,229.40x = 11,332,816,014.80
  5. Step 5: Solve for x
    x = 11,332,816,014.80/123,229.40
  6. Step 6: Final answer
    x = 91,965.20

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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.