Home / 87,646.80-131,470.20-25,323.60

Finding the Fourth Proportional to 87,646.80, 131,470.20 and 25,323.60

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Solution

The fourth proportional to 87,646.80, 131,470.20 and 25,323.60 is: 37,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.80 : 131,470.20 = 25,323.60 : x
  2. Step 2: Convert to fraction form
    87,646.80/131,470.20 = 25,323.60/x
  3. Step 3: Cross multiply
    87,646.80x = 131,470.20 × 25,323.60
  4. Step 4: Simplify right side
    87,646.80x = 3,329,298,756.72
  5. Step 5: Solve for x
    x = 3,329,298,756.72/87,646.80
  6. Step 6: Final answer
    x = 37,985.40

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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.