Home / 127,373.28-175,781.52-70,789.92

Finding the Fourth Proportional to 127,373.28, 175,781.52 and 70,789.92

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Solution

The fourth proportional to 127,373.28, 175,781.52 and 70,789.92 is: 97,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,373.28 : 175,781.52 = 70,789.92 : x
  2. Step 2: Convert to fraction form
    127,373.28/175,781.52 = 70,789.92/x
  3. Step 3: Cross multiply
    127,373.28x = 175,781.52 × 70,789.92
  4. Step 4: Simplify right side
    127,373.28x = 12,443,559,738.28
  5. Step 5: Solve for x
    x = 12,443,559,738.28/127,373.28
  6. Step 6: Final answer
    x = 97,693.64

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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.