Home / 84,126.60-126,187.17-34,193.29

Finding the Fourth Proportional to 84,126.60, 126,187.17 and 34,193.29

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Solution

The fourth proportional to 84,126.60, 126,187.17 and 34,193.29 is: 51,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,126.60 : 126,187.17 = 34,193.29 : x
  2. Step 2: Convert to fraction form
    84,126.60/126,187.17 = 34,193.29/x
  3. Step 3: Cross multiply
    84,126.60x = 126,187.17 × 34,193.29
  4. Step 4: Simplify right side
    84,126.60x = 4,314,754,291.00
  5. Step 5: Solve for x
    x = 4,314,754,291.00/84,126.60
  6. Step 6: Final answer
    x = 51,288.82

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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.