Home / 122,506.22-169,047.02-68,780.75

Finding the Fourth Proportional to 122,506.22, 169,047.02 and 68,780.75

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Solution

The fourth proportional to 122,506.22, 169,047.02 and 68,780.75 is: 94,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,506.22 : 169,047.02 = 68,780.75 : x
  2. Step 2: Convert to fraction form
    122,506.22/169,047.02 = 68,780.75/x
  3. Step 3: Cross multiply
    122,506.22x = 169,047.02 × 68,780.75
  4. Step 4: Simplify right side
    122,506.22x = 11,627,180,147.58
  5. Step 5: Solve for x
    x = 11,627,180,147.58/122,506.22
  6. Step 6: Final answer
    x = 94,910.94

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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.