Home / 127,825.62-176,407.14-71,236.86

Finding the Fourth Proportional to 127,825.62, 176,407.14 and 71,236.86

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Solution

The fourth proportional to 127,825.62, 176,407.14 and 71,236.86 is: 98,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,825.62 : 176,407.14 = 71,236.86 : x
  2. Step 2: Convert to fraction form
    127,825.62/176,407.14 = 71,236.86/x
  3. Step 3: Cross multiply
    127,825.62x = 176,407.14 × 71,236.86
  4. Step 4: Simplify right side
    127,825.62x = 12,566,690,735.18
  5. Step 5: Solve for x
    x = 12,566,690,735.18/127,825.62
  6. Step 6: Final answer
    x = 98,311.21

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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.