Home / 132,306.54-182,589.42-81,321.48

Finding the Fourth Proportional to 132,306.54, 182,589.42 and 81,321.48

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Solution

The fourth proportional to 132,306.54, 182,589.42 and 81,321.48 is: 112,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,306.54 : 182,589.42 = 81,321.48 : x
  2. Step 2: Convert to fraction form
    132,306.54/182,589.42 = 81,321.48/x
  3. Step 3: Cross multiply
    132,306.54x = 182,589.42 × 81,321.48
  4. Step 4: Simplify right side
    132,306.54x = 14,848,441,866.74
  5. Step 5: Solve for x
    x = 14,848,441,866.74/132,306.54
  6. Step 6: Final answer
    x = 112,227.57

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1.5x scale

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.