Home / 145,538.76-218,334.60-60,149.88

Finding the Fourth Proportional to 145,538.76, 218,334.60 and 60,149.88

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Solution

The fourth proportional to 145,538.76, 218,334.60 and 60,149.88 is: 90,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,538.76 : 218,334.60 = 60,149.88 : x
  2. Step 2: Convert to fraction form
    145,538.76/218,334.60 = 60,149.88/x
  3. Step 3: Cross multiply
    145,538.76x = 218,334.60 × 60,149.88
  4. Step 4: Simplify right side
    145,538.76x = 13,132,799,989.85
  5. Step 5: Solve for x
    x = 13,132,799,989.85/145,538.76
  6. Step 6: Final answer
    x = 90,235.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.