Home / 87,832.80-131,749.20-25,509.60

Finding the Fourth Proportional to 87,832.80, 131,749.20 and 25,509.60

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Solution

The fourth proportional to 87,832.80, 131,749.20 and 25,509.60 is: 38,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.80 : 131,749.20 = 25,509.60 : x
  2. Step 2: Convert to fraction form
    87,832.80/131,749.20 = 25,509.60/x
  3. Step 3: Cross multiply
    87,832.80x = 131,749.20 × 25,509.60
  4. Step 4: Simplify right side
    87,832.80x = 3,360,869,392.32
  5. Step 5: Solve for x
    x = 3,360,869,392.32/87,832.80
  6. Step 6: Final answer
    x = 38,264.40

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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.