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Finding the Fourth Proportional to 143,301.65, 214,954.49 and 54,560.00

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Solution

The fourth proportional to 143,301.65, 214,954.49 and 54,560.00 is: 81,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,301.65 : 214,954.49 = 54,560.00 : x
  2. Step 2: Convert to fraction form
    143,301.65/214,954.49 = 54,560.00/x
  3. Step 3: Cross multiply
    143,301.65x = 214,954.49 × 54,560.00
  4. Step 4: Simplify right side
    143,301.65x = 11,727,915,626.83
  5. Step 5: Solve for x
    x = 11,727,915,626.83/143,301.65
  6. Step 6: Final answer
    x = 81,840.76

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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.