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Finding the Fourth Proportional to 159,151.33, 238,706.63 and 52,508.89

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Solution

The fourth proportional to 159,151.33, 238,706.63 and 52,508.89 is: 78,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,151.33 : 238,706.63 = 52,508.89 : x
  2. Step 2: Convert to fraction form
    159,151.33/238,706.63 = 52,508.89/x
  3. Step 3: Cross multiply
    159,151.33x = 238,706.63 × 52,508.89
  4. Step 4: Simplify right side
    159,151.33x = 12,534,220,409.69
  5. Step 5: Solve for x
    x = 12,534,220,409.69/159,151.33
  6. Step 6: Final answer
    x = 78,756.62

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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.