Home / 121,310.28-167,405.92-67,594.15

Finding the Fourth Proportional to 121,310.28, 167,405.92 and 67,594.15

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Solution

The fourth proportional to 121,310.28, 167,405.92 and 67,594.15 is: 93,278.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.28 : 167,405.92 = 67,594.15 : x
  2. Step 2: Convert to fraction form
    121,310.28/167,405.92 = 67,594.15/x
  3. Step 3: Cross multiply
    121,310.28x = 167,405.92 × 67,594.15
  4. Step 4: Simplify right side
    121,310.28x = 11,315,660,030.34
  5. Step 5: Solve for x
    x = 11,315,660,030.34/121,310.28
  6. Step 6: Final answer
    x = 93,278.66

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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.