Home / 87,998.34-131,778.79-61,579.46

Finding the Fourth Proportional to 87,998.34, 131,778.79 and 61,579.46

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Solution

The fourth proportional to 87,998.34, 131,778.79 and 61,579.46 is: 92,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,998.34 : 131,778.79 = 61,579.46 : x
  2. Step 2: Convert to fraction form
    87,998.34/131,778.79 = 61,579.46/x
  3. Step 3: Cross multiply
    87,998.34x = 131,778.79 × 61,579.46
  4. Step 4: Simplify right side
    87,998.34x = 8,114,866,727.65
  5. Step 5: Solve for x
    x = 8,114,866,727.65/87,998.34
  6. Step 6: Final answer
    x = 92,216.13

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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.