Home / 87,924.80-131,887.20-28,746.20

Finding the Fourth Proportional to 87,924.80, 131,887.20 and 28,746.20

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Solution

The fourth proportional to 87,924.80, 131,887.20 and 28,746.20 is: 43,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.80 : 131,887.20 = 28,746.20 : x
  2. Step 2: Convert to fraction form
    87,924.80/131,887.20 = 28,746.20/x
  3. Step 3: Cross multiply
    87,924.80x = 131,887.20 × 28,746.20
  4. Step 4: Simplify right side
    87,924.80x = 3,791,255,828.64
  5. Step 5: Solve for x
    x = 3,791,255,828.64/87,924.80
  6. Step 6: Final answer
    x = 43,119.30

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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.