Home / 115,213.01-172,819.50-36,335.21

Finding the Fourth Proportional to 115,213.01, 172,819.50 and 36,335.21

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Solution

The fourth proportional to 115,213.01, 172,819.50 and 36,335.21 is: 54,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,213.01 : 172,819.50 = 36,335.21 : x
  2. Step 2: Convert to fraction form
    115,213.01/172,819.50 = 36,335.21/x
  3. Step 3: Cross multiply
    115,213.01x = 172,819.50 × 36,335.21
  4. Step 4: Simplify right side
    115,213.01x = 6,279,431,960.50
  5. Step 5: Solve for x
    x = 6,279,431,960.50/115,213.01
  6. Step 6: Final answer
    x = 54,502.81

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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.