Home / 87,648.80-131,473.20-25,325.60

Finding the Fourth Proportional to 87,648.80, 131,473.20 and 25,325.60

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Solution

The fourth proportional to 87,648.80, 131,473.20 and 25,325.60 is: 37,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.80 : 131,473.20 = 25,325.60 : x
  2. Step 2: Convert to fraction form
    87,648.80/131,473.20 = 25,325.60/x
  3. Step 3: Cross multiply
    87,648.80x = 131,473.20 × 25,325.60
  4. Step 4: Simplify right side
    87,648.80x = 3,329,637,673.92
  5. Step 5: Solve for x
    x = 3,329,637,673.92/87,648.80
  6. Step 6: Final answer
    x = 37,988.40

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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.