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Finding the Fourth Proportional to 105,469.08, 145,540.02 and 60,148.97

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Solution

The fourth proportional to 105,469.08, 145,540.02 and 60,148.97 is: 83,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469.08 : 145,540.02 = 60,148.97 : x
  2. Step 2: Convert to fraction form
    105,469.08/145,540.02 = 60,148.97/x
  3. Step 3: Cross multiply
    105,469.08x = 145,540.02 × 60,148.97
  4. Step 4: Simplify right side
    105,469.08x = 8,754,082,296.78
  5. Step 5: Solve for x
    x = 8,754,082,296.78/105,469.08
  6. Step 6: Final answer
    x = 83,001.41

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1.5x scale

Why These Related Problems?

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