Home / 104,630.13-156,945.19-34,514.91

Finding the Fourth Proportional to 104,630.13, 156,945.19 and 34,514.91

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Solution

The fourth proportional to 104,630.13, 156,945.19 and 34,514.91 is: 51,772.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.13 : 156,945.19 = 34,514.91 : x
  2. Step 2: Convert to fraction form
    104,630.13/156,945.19 = 34,514.91/x
  3. Step 3: Cross multiply
    104,630.13x = 156,945.19 × 34,514.91
  4. Step 4: Simplify right side
    104,630.13x = 5,416,949,107.78
  5. Step 5: Solve for x
    x = 5,416,949,107.78/104,630.13
  6. Step 6: Final answer
    x = 51,772.36

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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.