Home / 145,540.76-218,337.60-60,151.88

Finding the Fourth Proportional to 145,540.76, 218,337.60 and 60,151.88

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Solution

The fourth proportional to 145,540.76, 218,337.60 and 60,151.88 is: 90,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,540.76 : 218,337.60 = 60,151.88 : x
  2. Step 2: Convert to fraction form
    145,540.76/218,337.60 = 60,151.88/x
  3. Step 3: Cross multiply
    145,540.76x = 218,337.60 × 60,151.88
  4. Step 4: Simplify right side
    145,540.76x = 13,133,417,114.69
  5. Step 5: Solve for x
    x = 13,133,417,114.69/145,540.76
  6. Step 6: Final answer
    x = 90,238.76

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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.