Home / 87,463.20-120,756.24-67,282.86

Finding the Fourth Proportional to 87,463.20, 120,756.24 and 67,282.86

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Solution

The fourth proportional to 87,463.20, 120,756.24 and 67,282.86 is: 92,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,463.20 : 120,756.24 = 67,282.86 : x
  2. Step 2: Convert to fraction form
    87,463.20/120,756.24 = 67,282.86/x
  3. Step 3: Cross multiply
    87,463.20x = 120,756.24 × 67,282.86
  4. Step 4: Simplify right side
    87,463.20x = 8,124,825,190.05
  5. Step 5: Solve for x
    x = 8,124,825,190.05/87,463.20
  6. Step 6: Final answer
    x = 92,894.21

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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.