Home / 126,358.43-174,318.72-85,508.00

Finding the Fourth Proportional to 126,358.43, 174,318.72 and 85,508.00

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Solution

The fourth proportional to 126,358.43, 174,318.72 and 85,508.00 is: 117,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.43 : 174,318.72 = 85,508.00 : x
  2. Step 2: Convert to fraction form
    126,358.43/174,318.72 = 85,508.00/x
  3. Step 3: Cross multiply
    126,358.43x = 174,318.72 × 85,508.00
  4. Step 4: Simplify right side
    126,358.43x = 14,905,644,238.17
  5. Step 5: Solve for x
    x = 14,905,644,238.17/126,358.43
  6. Step 6: Final answer
    x = 117,963.20

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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.