Home / 144,961.40-217,432.32-39,771.56

Finding the Fourth Proportional to 144,961.40, 217,432.32 and 39,771.56

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Solution

The fourth proportional to 144,961.40, 217,432.32 and 39,771.56 is: 59,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,961.40 : 217,432.32 = 39,771.56 : x
  2. Step 2: Convert to fraction form
    144,961.40/217,432.32 = 39,771.56/x
  3. Step 3: Cross multiply
    144,961.40x = 217,432.32 × 39,771.56
  4. Step 4: Simplify right side
    144,961.40x = 8,647,622,560.82
  5. Step 5: Solve for x
    x = 8,647,622,560.82/144,961.40
  6. Step 6: Final answer
    x = 59,654.66

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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.