Home / 127,070.60-175,307.56-88,819.97

Finding the Fourth Proportional to 127,070.60, 175,307.56 and 88,819.97

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Solution

The fourth proportional to 127,070.60, 175,307.56 and 88,819.97 is: 122,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,070.60 : 175,307.56 = 88,819.97 : x
  2. Step 2: Convert to fraction form
    127,070.60/175,307.56 = 88,819.97/x
  3. Step 3: Cross multiply
    127,070.60x = 175,307.56 × 88,819.97
  4. Step 4: Simplify right side
    127,070.60x = 15,570,811,121.39
  5. Step 5: Solve for x
    x = 15,570,811,121.39/127,070.60
  6. Step 6: Final answer
    x = 122,536.70

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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.