Home / 121,279.64-167,353.98-67,562.60

Finding the Fourth Proportional to 121,279.64, 167,353.98 and 67,562.60

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Solution

The fourth proportional to 121,279.64, 167,353.98 and 67,562.60 is: 93,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279.64 : 167,353.98 = 67,562.60 : x
  2. Step 2: Convert to fraction form
    121,279.64/167,353.98 = 67,562.60/x
  3. Step 3: Cross multiply
    121,279.64x = 167,353.98 × 67,562.60
  4. Step 4: Simplify right side
    121,279.64x = 11,306,870,009.15
  5. Step 5: Solve for x
    x = 11,306,870,009.15/121,279.64
  6. Step 6: Final answer
    x = 93,229.75

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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.