Home / 132,107.33-182,340.54-81,132.21

Finding the Fourth Proportional to 132,107.33, 182,340.54 and 81,132.21

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Solution

The fourth proportional to 132,107.33, 182,340.54 and 81,132.21 is: 111,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,107.33 : 182,340.54 = 81,132.21 : x
  2. Step 2: Convert to fraction form
    132,107.33/182,340.54 = 81,132.21/x
  3. Step 3: Cross multiply
    132,107.33x = 182,340.54 × 81,132.21
  4. Step 4: Simplify right side
    132,107.33x = 14,793,690,982.79
  5. Step 5: Solve for x
    x = 14,793,690,982.79/132,107.33
  6. Step 6: Final answer
    x = 111,982.36

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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.