Home / 125,229.12-172,833.91-77,497.85

Finding the Fourth Proportional to 125,229.12, 172,833.91 and 77,497.85

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Solution

The fourth proportional to 125,229.12, 172,833.91 and 77,497.85 is: 106,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,229.12 : 172,833.91 = 77,497.85 : x
  2. Step 2: Convert to fraction form
    125,229.12/172,833.91 = 77,497.85/x
  3. Step 3: Cross multiply
    125,229.12x = 172,833.91 × 77,497.85
  4. Step 4: Simplify right side
    125,229.12x = 13,394,256,193.75
  5. Step 5: Solve for x
    x = 13,394,256,193.75/125,229.12
  6. Step 6: Final answer
    x = 106,958.00

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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.