Home / 87,461.75-131,109.50-34,187.88

Finding the Fourth Proportional to 87,461.75, 131,109.50 and 34,187.88

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Solution

The fourth proportional to 87,461.75, 131,109.50 and 34,187.88 is: 51,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,461.75 : 131,109.50 = 34,187.88 : x
  2. Step 2: Convert to fraction form
    87,461.75/131,109.50 = 34,187.88/x
  3. Step 3: Cross multiply
    87,461.75x = 131,109.50 × 34,187.88
  4. Step 4: Simplify right side
    87,461.75x = 4,482,356,429.99
  5. Step 5: Solve for x
    x = 4,482,356,429.99/87,461.75
  6. Step 6: Final answer
    x = 51,249.33

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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.