Home / 121,452.11-167,604.17-67,740.57

Finding the Fourth Proportional to 121,452.11, 167,604.17 and 67,740.57

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Solution

The fourth proportional to 121,452.11, 167,604.17 and 67,740.57 is: 93,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,452.11 : 167,604.17 = 67,740.57 : x
  2. Step 2: Convert to fraction form
    121,452.11/167,604.17 = 67,740.57/x
  3. Step 3: Cross multiply
    121,452.11x = 167,604.17 × 67,740.57
  4. Step 4: Simplify right side
    121,452.11x = 11,353,601,671.47
  5. Step 5: Solve for x
    x = 11,353,601,671.47/121,452.11
  6. Step 6: Final answer
    x = 93,482.13

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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.