Home / 439,545.30-659,317.95-107,121.30

Finding the Fourth Proportional to 439,545.30, 659,317.95 and 107,121.30

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Solution

The fourth proportional to 439,545.30, 659,317.95 and 107,121.30 is: 160,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,545.30 : 659,317.95 = 107,121.30 : x
  2. Step 2: Convert to fraction form
    439,545.30/659,317.95 = 107,121.30/x
  3. Step 3: Cross multiply
    439,545.30x = 659,317.95 × 107,121.30
  4. Step 4: Simplify right side
    439,545.30x = 70,626,995,917.34
  5. Step 5: Solve for x
    x = 70,626,995,917.34/439,545.30
  6. Step 6: Final answer
    x = 160,681.95

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.