Home / 132,375.52-198,718.80-82,570.24

Finding the Fourth Proportional to 132,375.52, 198,718.80 and 82,570.24

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Solution

The fourth proportional to 132,375.52, 198,718.80 and 82,570.24 is: 123,952.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.52 : 198,718.80 = 82,570.24 : x
  2. Step 2: Convert to fraction form
    132,375.52/198,718.80 = 82,570.24/x
  3. Step 3: Cross multiply
    132,375.52x = 198,718.80 × 82,570.24
  4. Step 4: Simplify right side
    132,375.52x = 16,408,259,008.51
  5. Step 5: Solve for x
    x = 16,408,259,008.51/132,375.52
  6. Step 6: Final answer
    x = 123,952.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.