Home / 125,945.28-173,828.28-72,265.38

Finding the Fourth Proportional to 125,945.28, 173,828.28 and 72,265.38

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Solution

The fourth proportional to 125,945.28, 173,828.28 and 72,265.38 is: 99,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,945.28 : 173,828.28 = 72,265.38 : x
  2. Step 2: Convert to fraction form
    125,945.28/173,828.28 = 72,265.38/x
  3. Step 3: Cross multiply
    125,945.28x = 173,828.28 × 72,265.38
  4. Step 4: Simplify right side
    125,945.28x = 12,561,766,708.95
  5. Step 5: Solve for x
    x = 12,561,766,708.95/125,945.28
  6. Step 6: Final answer
    x = 99,739.88

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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.