Home / 143,177.43-214,812.85-68,287.84

Finding the Fourth Proportional to 143,177.43, 214,812.85 and 68,287.84

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Solution

The fourth proportional to 143,177.43, 214,812.85 and 68,287.84 is: 102,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.43 : 214,812.85 = 68,287.84 : x
  2. Step 2: Convert to fraction form
    143,177.43/214,812.85 = 68,287.84/x
  3. Step 3: Cross multiply
    143,177.43x = 214,812.85 × 68,287.84
  4. Step 4: Simplify right side
    143,177.43x = 14,669,105,530.74
  5. Step 5: Solve for x
    x = 14,669,105,530.74/143,177.43
  6. Step 6: Final answer
    x = 102,454.04

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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.