Home / 122,512.20-169,085.14-74,793.26

Finding the Fourth Proportional to 122,512.20, 169,085.14 and 74,793.26

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Solution

The fourth proportional to 122,512.20, 169,085.14 and 74,793.26 is: 103,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,512.20 : 169,085.14 = 74,793.26 : x
  2. Step 2: Convert to fraction form
    122,512.20/169,085.14 = 74,793.26/x
  3. Step 3: Cross multiply
    122,512.20x = 169,085.14 × 74,793.26
  4. Step 4: Simplify right side
    122,512.20x = 12,646,427,805.75
  5. Step 5: Solve for x
    x = 12,646,427,805.75/122,512.20
  6. Step 6: Final answer
    x = 103,225.86

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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.