Home / 132,372.68-182,660.36-78,650.37

Finding the Fourth Proportional to 132,372.68, 182,660.36 and 78,650.37

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Solution

The fourth proportional to 132,372.68, 182,660.36 and 78,650.37 is: 108,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,372.68 : 182,660.36 = 78,650.37 : x
  2. Step 2: Convert to fraction form
    132,372.68/182,660.36 = 78,650.37/x
  3. Step 3: Cross multiply
    132,372.68x = 182,660.36 × 78,650.37
  4. Step 4: Simplify right side
    132,372.68x = 14,366,304,505.08
  5. Step 5: Solve for x
    x = 14,366,304,505.08/132,372.68
  6. Step 6: Final answer
    x = 108,529.23

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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.