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Finding the Fourth Proportional to 123,805.28, 185,771.26 and 58,963.10

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Solution

The fourth proportional to 123,805.28, 185,771.26 and 58,963.10 is: 88,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,805.28 : 185,771.26 = 58,963.10 : x
  2. Step 2: Convert to fraction form
    123,805.28/185,771.26 = 58,963.10/x
  3. Step 3: Cross multiply
    123,805.28x = 185,771.26 × 58,963.10
  4. Step 4: Simplify right side
    123,805.28x = 10,953,648,451.65
  5. Step 5: Solve for x
    x = 10,953,648,451.65/123,805.28
  6. Step 6: Final answer
    x = 88,474.81

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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.