Home / 127,834.20-191,824.20-88,419.60

Finding the Fourth Proportional to 127,834.20, 191,824.20 and 88,419.60

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Solution

The fourth proportional to 127,834.20, 191,824.20 and 88,419.60 is: 132,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.20 : 191,824.20 = 88,419.60 : x
  2. Step 2: Convert to fraction form
    127,834.20/191,824.20 = 88,419.60/x
  3. Step 3: Cross multiply
    127,834.20x = 191,824.20 × 88,419.60
  4. Step 4: Simplify right side
    127,834.20x = 16,961,019,034.32
  5. Step 5: Solve for x
    x = 16,961,019,034.32/127,834.20
  6. Step 6: Final answer
    x = 132,679.82

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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.