Home / 87,357.34-120,431.01-73,874.44

Finding the Fourth Proportional to 87,357.34, 120,431.01 and 73,874.44

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Solution

The fourth proportional to 87,357.34, 120,431.01 and 73,874.44 is: 101,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357.34 : 120,431.01 = 73,874.44 : x
  2. Step 2: Convert to fraction form
    87,357.34/120,431.01 = 73,874.44/x
  3. Step 3: Cross multiply
    87,357.34x = 120,431.01 × 73,874.44
  4. Step 4: Simplify right side
    87,357.34x = 8,896,773,422.38
  5. Step 5: Solve for x
    x = 8,896,773,422.38/87,357.34
  6. Step 6: Final answer
    x = 101,843.46

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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.