Home / 109,581.20-151,220.57-61,183.88

Finding the Fourth Proportional to 109,581.20, 151,220.57 and 61,183.88

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Solution

The fourth proportional to 109,581.20, 151,220.57 and 61,183.88 is: 84,432.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.20 : 151,220.57 = 61,183.88 : x
  2. Step 2: Convert to fraction form
    109,581.20/151,220.57 = 61,183.88/x
  3. Step 3: Cross multiply
    109,581.20x = 151,220.57 × 61,183.88
  4. Step 4: Simplify right side
    109,581.20x = 9,252,260,146.39
  5. Step 5: Solve for x
    x = 9,252,260,146.39/109,581.20
  6. Step 6: Final answer
    x = 84,432.92

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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.