Home / 127,928.53-176,540.97-71,339.89

Finding the Fourth Proportional to 127,928.53, 176,540.97 and 71,339.89

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Solution

The fourth proportional to 127,928.53, 176,540.97 and 71,339.89 is: 98,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,928.53 : 176,540.97 = 71,339.89 : x
  2. Step 2: Convert to fraction form
    127,928.53/176,540.97 = 71,339.89/x
  3. Step 3: Cross multiply
    127,928.53x = 176,540.97 × 71,339.89
  4. Step 4: Simplify right side
    127,928.53x = 12,594,413,380.29
  5. Step 5: Solve for x
    x = 12,594,413,380.29/127,928.53
  6. Step 6: Final answer
    x = 98,448.82

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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.