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Finding the Fourth Proportional to 109,942.38, 151,720.78 and 59,641.38

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Solution

The fourth proportional to 109,942.38, 151,720.78 and 59,641.38 is: 82,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.38 : 151,720.78 = 59,641.38 : x
  2. Step 2: Convert to fraction form
    109,942.38/151,720.78 = 59,641.38/x
  3. Step 3: Cross multiply
    109,942.38x = 151,720.78 × 59,641.38
  4. Step 4: Simplify right side
    109,942.38x = 9,048,836,693.88
  5. Step 5: Solve for x
    x = 9,048,836,693.88/109,942.38
  6. Step 6: Final answer
    x = 82,305.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.