Home / 121,227.42-167,281.85-67,517.43

Finding the Fourth Proportional to 121,227.42, 167,281.85 and 67,517.43

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Solution

The fourth proportional to 121,227.42, 167,281.85 and 67,517.43 is: 93,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,227.42 : 167,281.85 = 67,517.43 : x
  2. Step 2: Convert to fraction form
    121,227.42/167,281.85 = 67,517.43/x
  3. Step 3: Cross multiply
    121,227.42x = 167,281.85 × 67,517.43
  4. Step 4: Simplify right side
    121,227.42x = 11,294,440,597.65
  5. Step 5: Solve for x
    x = 11,294,440,597.65/121,227.42
  6. Step 6: Final answer
    x = 93,167.38

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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.