Home / 141,723.70-212,086.25-88,440.75

Finding the Fourth Proportional to 141,723.70, 212,086.25 and 88,440.75

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Solution

The fourth proportional to 141,723.70, 212,086.25 and 88,440.75 is: 132,349.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,723.70 : 212,086.25 = 88,440.75 : x
  2. Step 2: Convert to fraction form
    141,723.70/212,086.25 = 88,440.75/x
  3. Step 3: Cross multiply
    141,723.70x = 212,086.25 × 88,440.75
  4. Step 4: Simplify right side
    141,723.70x = 18,757,066,572.48
  5. Step 5: Solve for x
    x = 18,757,066,572.48/141,723.70
  6. Step 6: Final answer
    x = 132,349.54

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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.