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Finding the Fourth Proportional to 123,654, 185,328.96 and 57,001.68

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Solution

The fourth proportional to 123,654, 185,328.96 and 57,001.68 is: 85,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,654 : 185,328.96 = 57,001.68 : x
  2. Step 2: Convert to fraction form
    123,654/185,328.96 = 57,001.68/x
  3. Step 3: Cross multiply
    123,654x = 185,328.96 × 57,001.68
  4. Step 4: Simplify right side
    123,654x = 10,564,062,072.65
  5. Step 5: Solve for x
    x = 10,564,062,072.65/123,654
  6. Step 6: Final answer
    x = 85,432.43

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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.