Home / 87,147.17-120,235.68-48,901.10

Finding the Fourth Proportional to 87,147.17, 120,235.68 and 48,901.10

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Solution

The fourth proportional to 87,147.17, 120,235.68 and 48,901.10 is: 67,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147.17 : 120,235.68 = 48,901.10 : x
  2. Step 2: Convert to fraction form
    87,147.17/120,235.68 = 48,901.10/x
  3. Step 3: Cross multiply
    87,147.17x = 120,235.68 × 48,901.10
  4. Step 4: Simplify right side
    87,147.17x = 5,879,656,410.07
  5. Step 5: Solve for x
    x = 5,879,656,410.07/87,147.17
  6. Step 6: Final answer
    x = 67,468.13

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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.