Home / 145,046.91-217,564.89-39,863.14

Finding the Fourth Proportional to 145,046.91, 217,564.89 and 39,863.14

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Solution

The fourth proportional to 145,046.91, 217,564.89 and 39,863.14 is: 59,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,046.91 : 217,564.89 = 39,863.14 : x
  2. Step 2: Convert to fraction form
    145,046.91/217,564.89 = 39,863.14/x
  3. Step 3: Cross multiply
    145,046.91x = 217,564.89 × 39,863.14
  4. Step 4: Simplify right side
    145,046.91x = 8,672,819,669.15
  5. Step 5: Solve for x
    x = 8,672,819,669.15/145,046.91
  6. Step 6: Final answer
    x = 59,793.21

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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.