Home / 144,920.10-217,380.15-39,749.70

Finding the Fourth Proportional to 144,920.10, 217,380.15 and 39,749.70

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Solution

The fourth proportional to 144,920.10, 217,380.15 and 39,749.70 is: 59,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,920.10 : 217,380.15 = 39,749.70 : x
  2. Step 2: Convert to fraction form
    144,920.10/217,380.15 = 39,749.70/x
  3. Step 3: Cross multiply
    144,920.10x = 217,380.15 × 39,749.70
  4. Step 4: Simplify right side
    144,920.10x = 8,640,795,748.46
  5. Step 5: Solve for x
    x = 8,640,795,748.46/144,920.10
  6. Step 6: Final answer
    x = 59,624.55

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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.