Home / 130,930.46-180,753.07-88,134.95

Finding the Fourth Proportional to 130,930.46, 180,753.07 and 88,134.95

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Solution

The fourth proportional to 130,930.46, 180,753.07 and 88,134.95 is: 121,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,930.46 : 180,753.07 = 88,134.95 : x
  2. Step 2: Convert to fraction form
    130,930.46/180,753.07 = 88,134.95/x
  3. Step 3: Cross multiply
    130,930.46x = 180,753.07 × 88,134.95
  4. Step 4: Simplify right side
    130,930.46x = 15,930,662,786.80
  5. Step 5: Solve for x
    x = 15,930,662,786.80/130,930.46
  6. Step 6: Final answer
    x = 121,672.70

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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.