Home / 109,517.40-164,276.10-94,755.15

Finding the Fourth Proportional to 109,517.40, 164,276.10 and 94,755.15

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Solution

The fourth proportional to 109,517.40, 164,276.10 and 94,755.15 is: 142,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,517.40 : 164,276.10 = 94,755.15 : x
  2. Step 2: Convert to fraction form
    109,517.40/164,276.10 = 94,755.15/x
  3. Step 3: Cross multiply
    109,517.40x = 164,276.10 × 94,755.15
  4. Step 4: Simplify right side
    109,517.40x = 15,566,006,496.92
  5. Step 5: Solve for x
    x = 15,566,006,496.92/109,517.40
  6. Step 6: Final answer
    x = 142,132.73

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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.