Home / 165,220.56-247,294.65-89,213.43

Finding the Fourth Proportional to 165,220.56, 247,294.65 and 89,213.43

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Solution

The fourth proportional to 165,220.56, 247,294.65 and 89,213.43 is: 133,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,220.56 : 247,294.65 = 89,213.43 : x
  2. Step 2: Convert to fraction form
    165,220.56/247,294.65 = 89,213.43/x
  3. Step 3: Cross multiply
    165,220.56x = 247,294.65 × 89,213.43
  4. Step 4: Simplify right side
    165,220.56x = 22,062,002,369.77
  5. Step 5: Solve for x
    x = 22,062,002,369.77/165,220.56
  6. Step 6: Final answer
    x = 133,530.61

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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.