Home / 122,044.06-168,499.14-83,791.30

Finding the Fourth Proportional to 122,044.06, 168,499.14 and 83,791.30

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Solution

The fourth proportional to 122,044.06, 168,499.14 and 83,791.30 is: 115,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,044.06 : 168,499.14 = 83,791.30 : x
  2. Step 2: Convert to fraction form
    122,044.06/168,499.14 = 83,791.30/x
  3. Step 3: Cross multiply
    122,044.06x = 168,499.14 × 83,791.30
  4. Step 4: Simplify right side
    122,044.06x = 14,118,761,989.48
  5. Step 5: Solve for x
    x = 14,118,761,989.48/122,044.06
  6. Step 6: Final answer
    x = 115,685.78

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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.