Home / 114,414.57-157,717.17-80,327.52

Finding the Fourth Proportional to 114,414.57, 157,717.17 and 80,327.52

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Solution

The fourth proportional to 114,414.57, 157,717.17 and 80,327.52 is: 110,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,414.57 : 157,717.17 = 80,327.52 : x
  2. Step 2: Convert to fraction form
    114,414.57/157,717.17 = 80,327.52/x
  3. Step 3: Cross multiply
    114,414.57x = 157,717.17 × 80,327.52
  4. Step 4: Simplify right side
    114,414.57x = 12,669,029,127.52
  5. Step 5: Solve for x
    x = 12,669,029,127.52/114,414.57
  6. Step 6: Final answer
    x = 110,729.16

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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.