Home / 121,344.38-167,460.96-67,629.78

Finding the Fourth Proportional to 121,344.38, 167,460.96 and 67,629.78

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Solution

The fourth proportional to 121,344.38, 167,460.96 and 67,629.78 is: 93,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344.38 : 167,460.96 = 67,629.78 : x
  2. Step 2: Convert to fraction form
    121,344.38/167,460.96 = 67,629.78/x
  3. Step 3: Cross multiply
    121,344.38x = 167,460.96 × 67,629.78
  4. Step 4: Simplify right side
    121,344.38x = 11,325,347,883.39
  5. Step 5: Solve for x
    x = 11,325,347,883.39/121,344.38
  6. Step 6: Final answer
    x = 93,332.29

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1.5x scale

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.