Home / 127,839.97-176,420.40-70,481.58

Finding the Fourth Proportional to 127,839.97, 176,420.40 and 70,481.58

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Solution

The fourth proportional to 127,839.97, 176,420.40 and 70,481.58 is: 97,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,839.97 : 176,420.40 = 70,481.58 : x
  2. Step 2: Convert to fraction form
    127,839.97/176,420.40 = 70,481.58/x
  3. Step 3: Cross multiply
    127,839.97x = 176,420.40 × 70,481.58
  4. Step 4: Simplify right side
    127,839.97x = 12,434,387,610.35
  5. Step 5: Solve for x
    x = 12,434,387,610.35/127,839.97
  6. Step 6: Final answer
    x = 97,265.26

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1.5x scale

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.