Home / 125,086.29-172,618.85-67,725.60

Finding the Fourth Proportional to 125,086.29, 172,618.85 and 67,725.60

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Solution

The fourth proportional to 125,086.29, 172,618.85 and 67,725.60 is: 93,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,086.29 : 172,618.85 = 67,725.60 : x
  2. Step 2: Convert to fraction form
    125,086.29/172,618.85 = 67,725.60/x
  3. Step 3: Cross multiply
    125,086.29x = 172,618.85 × 67,725.60
  4. Step 4: Simplify right side
    125,086.29x = 11,690,715,187.56
  5. Step 5: Solve for x
    x = 11,690,715,187.56/125,086.29
  6. Step 6: Final answer
    x = 93,461.20

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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.