Home / 125,363.28-172,998.36-68,774.16

Finding the Fourth Proportional to 125,363.28, 172,998.36 and 68,774.16

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Solution

The fourth proportional to 125,363.28, 172,998.36 and 68,774.16 is: 94,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,363.28 : 172,998.36 = 68,774.16 : x
  2. Step 2: Convert to fraction form
    125,363.28/172,998.36 = 68,774.16/x
  3. Step 3: Cross multiply
    125,363.28x = 172,998.36 × 68,774.16
  4. Step 4: Simplify right side
    125,363.28x = 11,897,816,890.38
  5. Step 5: Solve for x
    x = 11,897,816,890.38/125,363.28
  6. Step 6: Final answer
    x = 94,906.71

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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.