Home / 134,179.40-185,177.16-88,778.12

Finding the Fourth Proportional to 134,179.40, 185,177.16 and 88,778.12

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Solution

The fourth proportional to 134,179.40, 185,177.16 and 88,778.12 is: 122,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,179.40 : 185,177.16 = 88,778.12 : x
  2. Step 2: Convert to fraction form
    134,179.40/185,177.16 = 88,778.12/x
  3. Step 3: Cross multiply
    134,179.40x = 185,177.16 × 88,778.12
  4. Step 4: Simplify right side
    134,179.40x = 16,439,680,131.74
  5. Step 5: Solve for x
    x = 16,439,680,131.74/134,179.40
  6. Step 6: Final answer
    x = 122,520.15

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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.