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Finding the Fourth Proportional to 134,360.96, 185,398.56 and 80,634.56

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Solution

The fourth proportional to 134,360.96, 185,398.56 and 80,634.56 is: 111,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,360.96 : 185,398.56 = 80,634.56 : x
  2. Step 2: Convert to fraction form
    134,360.96/185,398.56 = 80,634.56/x
  3. Step 3: Cross multiply
    134,360.96x = 185,398.56 × 80,634.56
  4. Step 4: Simplify right side
    134,360.96x = 14,949,531,310.23
  5. Step 5: Solve for x
    x = 14,949,531,310.23/134,360.96
  6. Step 6: Final answer
    x = 111,263.95

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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.