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Finding the Fourth Proportional to 131,901.54, 182,020.17 and 75,301.86

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Solution

The fourth proportional to 131,901.54, 182,020.17 and 75,301.86 is: 103,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.54 : 182,020.17 = 75,301.86 : x
  2. Step 2: Convert to fraction form
    131,901.54/182,020.17 = 75,301.86/x
  3. Step 3: Cross multiply
    131,901.54x = 182,020.17 × 75,301.86
  4. Step 4: Simplify right side
    131,901.54x = 13,706,457,358.52
  5. Step 5: Solve for x
    x = 13,706,457,358.52/131,901.54
  6. Step 6: Final answer
    x = 103,914.31

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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.