Home / 87,107.16-120,206.42-48,868.15

Finding the Fourth Proportional to 87,107.16, 120,206.42 and 48,868.15

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Solution

The fourth proportional to 87,107.16, 120,206.42 and 48,868.15 is: 67,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,107.16 : 120,206.42 = 48,868.15 : x
  2. Step 2: Convert to fraction form
    87,107.16/120,206.42 = 48,868.15/x
  3. Step 3: Cross multiply
    87,107.16x = 120,206.42 × 48,868.15
  4. Step 4: Simplify right side
    87,107.16x = 5,874,265,363.52
  5. Step 5: Solve for x
    x = 5,874,265,363.52/87,107.16
  6. Step 6: Final answer
    x = 67,437.23

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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.