Home / 87,458.16-131,191.32-28,298.46

Finding the Fourth Proportional to 87,458.16, 131,191.32 and 28,298.46

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Solution

The fourth proportional to 87,458.16, 131,191.32 and 28,298.46 is: 42,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,458.16 : 131,191.32 = 28,298.46 : x
  2. Step 2: Convert to fraction form
    87,458.16/131,191.32 = 28,298.46/x
  3. Step 3: Cross multiply
    87,458.16x = 131,191.32 × 28,298.46
  4. Step 4: Simplify right side
    87,458.16x = 3,712,512,321.37
  5. Step 5: Solve for x
    x = 3,712,512,321.37/87,458.16
  6. Step 6: Final answer
    x = 42,449.01

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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.