Home / 87,230.38-120,256.99-58,891.18

Finding the Fourth Proportional to 87,230.38, 120,256.99 and 58,891.18

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Solution

The fourth proportional to 87,230.38, 120,256.99 and 58,891.18 is: 81,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,230.38 : 120,256.99 = 58,891.18 : x
  2. Step 2: Convert to fraction form
    87,230.38/120,256.99 = 58,891.18/x
  3. Step 3: Cross multiply
    87,230.38x = 120,256.99 × 58,891.18
  4. Step 4: Simplify right side
    87,230.38x = 7,082,076,044.35
  5. Step 5: Solve for x
    x = 7,082,076,044.35/87,230.38
  6. Step 6: Final answer
    x = 81,188.18

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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.