Home / 132,619.32-198,809.01-48,359.78

Finding the Fourth Proportional to 132,619.32, 198,809.01 and 48,359.78

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Solution

The fourth proportional to 132,619.32, 198,809.01 and 48,359.78 is: 72,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.32 : 198,809.01 = 48,359.78 : x
  2. Step 2: Convert to fraction form
    132,619.32/198,809.01 = 48,359.78/x
  3. Step 3: Cross multiply
    132,619.32x = 198,809.01 × 48,359.78
  4. Step 4: Simplify right side
    132,619.32x = 9,614,359,591.03
  5. Step 5: Solve for x
    x = 9,614,359,591.03/132,619.32
  6. Step 6: Final answer
    x = 72,495.92

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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.