Home / 87,686.42-131,193.08-50,264.42

Finding the Fourth Proportional to 87,686.42, 131,193.08 and 50,264.42

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Solution

The fourth proportional to 87,686.42, 131,193.08 and 50,264.42 is: 75,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,686.42 : 131,193.08 = 50,264.42 : x
  2. Step 2: Convert to fraction form
    87,686.42/131,193.08 = 50,264.42/x
  3. Step 3: Cross multiply
    87,686.42x = 131,193.08 × 50,264.42
  4. Step 4: Simplify right side
    87,686.42x = 6,594,343,822.89
  5. Step 5: Solve for x
    x = 6,594,343,822.89/87,686.42
  6. Step 6: Final answer
    x = 75,203.71

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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.