Home / 120,539.13-166,480.17-82,232.91

Finding the Fourth Proportional to 120,539.13, 166,480.17 and 82,232.91

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Solution

The fourth proportional to 120,539.13, 166,480.17 and 82,232.91 is: 113,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,539.13 : 166,480.17 = 82,232.91 : x
  2. Step 2: Convert to fraction form
    120,539.13/166,480.17 = 82,232.91/x
  3. Step 3: Cross multiply
    120,539.13x = 166,480.17 × 82,232.91
  4. Step 4: Simplify right side
    120,539.13x = 13,690,148,836.39
  5. Step 5: Solve for x
    x = 13,690,148,836.39/120,539.13
  6. Step 6: Final answer
    x = 113,574.31

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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.