Home / 127,400.31-191,103.17-46,344.60

Finding the Fourth Proportional to 127,400.31, 191,103.17 and 46,344.60

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Solution

The fourth proportional to 127,400.31, 191,103.17 and 46,344.60 is: 69,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.31 : 191,103.17 = 46,344.60 : x
  2. Step 2: Convert to fraction form
    127,400.31/191,103.17 = 46,344.60/x
  3. Step 3: Cross multiply
    127,400.31x = 191,103.17 × 46,344.60
  4. Step 4: Simplify right side
    127,400.31x = 8,856,599,740.66
  5. Step 5: Solve for x
    x = 8,856,599,740.66/127,400.31
  6. Step 6: Final answer
    x = 69,517.88

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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.