Home / 87,450.18-131,176.08-25,120.68

Finding the Fourth Proportional to 87,450.18, 131,176.08 and 25,120.68

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Solution

The fourth proportional to 87,450.18, 131,176.08 and 25,120.68 is: 37,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,450.18 : 131,176.08 = 25,120.68 : x
  2. Step 2: Convert to fraction form
    87,450.18/131,176.08 = 25,120.68/x
  3. Step 3: Cross multiply
    87,450.18x = 131,176.08 × 25,120.68
  4. Step 4: Simplify right side
    87,450.18x = 3,295,232,329.33
  5. Step 5: Solve for x
    x = 3,295,232,329.33/87,450.18
  6. Step 6: Final answer
    x = 37,681.25

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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.