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Finding the Fourth Proportional to 143,702.52, 215,553.82 and 43,863.26

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Solution

The fourth proportional to 143,702.52, 215,553.82 and 43,863.26 is: 65,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,702.52 : 215,553.82 = 43,863.26 : x
  2. Step 2: Convert to fraction form
    143,702.52/215,553.82 = 43,863.26/x
  3. Step 3: Cross multiply
    143,702.52x = 215,553.82 × 43,863.26
  4. Step 4: Simplify right side
    143,702.52x = 9,454,893,250.65
  5. Step 5: Solve for x
    x = 9,454,893,250.65/143,702.52
  6. Step 6: Final answer
    x = 65,794.90

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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.