Home / 121,539.20-167,704.03-67,824.08

Finding the Fourth Proportional to 121,539.20, 167,704.03 and 67,824.08

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Solution

The fourth proportional to 121,539.20, 167,704.03 and 67,824.08 is: 93,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.20 : 167,704.03 = 67,824.08 : x
  2. Step 2: Convert to fraction form
    121,539.20/167,704.03 = 67,824.08/x
  3. Step 3: Cross multiply
    121,539.20x = 167,704.03 × 67,824.08
  4. Step 4: Simplify right side
    121,539.20x = 11,374,372,460.91
  5. Step 5: Solve for x
    x = 11,374,372,460.91/121,539.20
  6. Step 6: Final answer
    x = 93,586.04

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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.