Home / 90,006.24-124,115.57-77,301.49

Finding the Fourth Proportional to 90,006.24, 124,115.57 and 77,301.49

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Solution

The fourth proportional to 90,006.24, 124,115.57 and 77,301.49 is: 106,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,006.24 : 124,115.57 = 77,301.49 : x
  2. Step 2: Convert to fraction form
    90,006.24/124,115.57 = 77,301.49/x
  3. Step 3: Cross multiply
    90,006.24x = 124,115.57 × 77,301.49
  4. Step 4: Simplify right side
    90,006.24x = 9,594,318,493.20
  5. Step 5: Solve for x
    x = 9,594,318,493.20/90,006.24
  6. Step 6: Final answer
    x = 106,596.15

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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.