Home / 151,434.75-227,217.72-81,232.05

Finding the Fourth Proportional to 151,434.75, 227,217.72 and 81,232.05

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Solution

The fourth proportional to 151,434.75, 227,217.72 and 81,232.05 is: 121,883.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,434.75 : 227,217.72 = 81,232.05 : x
  2. Step 2: Convert to fraction form
    151,434.75/227,217.72 = 81,232.05/x
  3. Step 3: Cross multiply
    151,434.75x = 227,217.72 × 81,232.05
  4. Step 4: Simplify right side
    151,434.75x = 18,457,361,191.93
  5. Step 5: Solve for x
    x = 18,457,361,191.93/151,434.75
  6. Step 6: Final answer
    x = 121,883.26

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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.