Home / 115,331.42-172,996.07-36,445.64

Finding the Fourth Proportional to 115,331.42, 172,996.07 and 36,445.64

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Solution

The fourth proportional to 115,331.42, 172,996.07 and 36,445.64 is: 54,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,331.42 : 172,996.07 = 36,445.64 : x
  2. Step 2: Convert to fraction form
    115,331.42/172,996.07 = 36,445.64/x
  3. Step 3: Cross multiply
    115,331.42x = 172,996.07 × 36,445.64
  4. Step 4: Simplify right side
    115,331.42x = 6,304,951,441.43
  5. Step 5: Solve for x
    x = 6,304,951,441.43/115,331.42
  6. Step 6: Final answer
    x = 54,668.11

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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.