Home / 144,860.80-217,306.20-39,679.75

Finding the Fourth Proportional to 144,860.80, 217,306.20 and 39,679.75

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Solution

The fourth proportional to 144,860.80, 217,306.20 and 39,679.75 is: 59,523.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,860.80 : 217,306.20 = 39,679.75 : x
  2. Step 2: Convert to fraction form
    144,860.80/217,306.20 = 39,679.75/x
  3. Step 3: Cross multiply
    144,860.80x = 217,306.20 × 39,679.75
  4. Step 4: Simplify right side
    144,860.80x = 8,622,655,689.45
  5. Step 5: Solve for x
    x = 8,622,655,689.45/144,860.80
  6. Step 6: Final answer
    x = 59,523.73

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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.