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Finding the Fourth Proportional to 115,162.60, 158,652.12 and 109,847.92

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Solution

The fourth proportional to 115,162.60, 158,652.12 and 109,847.92 is: 151,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.60 : 158,652.12 = 109,847.92 : x
  2. Step 2: Convert to fraction form
    115,162.60/158,652.12 = 109,847.92/x
  3. Step 3: Cross multiply
    115,162.60x = 158,652.12 × 109,847.92
  4. Step 4: Simplify right side
    115,162.60x = 17,427,605,385.59
  5. Step 5: Solve for x
    x = 17,427,605,385.59/115,162.60
  6. Step 6: Final answer
    x = 151,330.43

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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.