Home / 127,147.38-190,712.61-52,248.12

Finding the Fourth Proportional to 127,147.38, 190,712.61 and 52,248.12

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Solution

The fourth proportional to 127,147.38, 190,712.61 and 52,248.12 is: 78,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,147.38 : 190,712.61 = 52,248.12 : x
  2. Step 2: Convert to fraction form
    127,147.38/190,712.61 = 52,248.12/x
  3. Step 3: Cross multiply
    127,147.38x = 190,712.61 × 52,248.12
  4. Step 4: Simplify right side
    127,147.38x = 9,964,375,332.79
  5. Step 5: Solve for x
    x = 9,964,375,332.79/127,147.38
  6. Step 6: Final answer
    x = 78,368.70

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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.