Home / 143,545.43-215,366.45-63,572.31

Finding the Fourth Proportional to 143,545.43, 215,366.45 and 63,572.31

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Solution

The fourth proportional to 143,545.43, 215,366.45 and 63,572.31 is: 95,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,545.43 : 215,366.45 = 63,572.31 : x
  2. Step 2: Convert to fraction form
    143,545.43/215,366.45 = 63,572.31/x
  3. Step 3: Cross multiply
    143,545.43x = 215,366.45 × 63,572.31
  4. Step 4: Simplify right side
    143,545.43x = 13,691,342,405.14
  5. Step 5: Solve for x
    x = 13,691,342,405.14/143,545.43
  6. Step 6: Final answer
    x = 95,379.85

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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.