Home / 132,446.28-182,776.82-72,016.86

Finding the Fourth Proportional to 132,446.28, 182,776.82 and 72,016.86

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Solution

The fourth proportional to 132,446.28, 182,776.82 and 72,016.86 is: 99,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,446.28 : 182,776.82 = 72,016.86 : x
  2. Step 2: Convert to fraction form
    132,446.28/182,776.82 = 72,016.86/x
  3. Step 3: Cross multiply
    132,446.28x = 182,776.82 × 72,016.86
  4. Step 4: Simplify right side
    132,446.28x = 13,163,012,297.10
  5. Step 5: Solve for x
    x = 13,163,012,297.10/132,446.28
  6. Step 6: Final answer
    x = 99,383.78

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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.