Home / 121,279.05-167,370.26-67,564.04

Finding the Fourth Proportional to 121,279.05, 167,370.26 and 67,564.04

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Solution

The fourth proportional to 121,279.05, 167,370.26 and 67,564.04 is: 93,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279.05 : 167,370.26 = 67,564.04 : x
  2. Step 2: Convert to fraction form
    121,279.05/167,370.26 = 67,564.04/x
  3. Step 3: Cross multiply
    121,279.05x = 167,370.26 × 67,564.04
  4. Step 4: Simplify right side
    121,279.05x = 11,308,209,766.78
  5. Step 5: Solve for x
    x = 11,308,209,766.78/121,279.05
  6. Step 6: Final answer
    x = 93,241.25

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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.