Home / 146,208.56-218,967.38-71,379.96

Finding the Fourth Proportional to 146,208.56, 218,967.38 and 71,379.96

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Solution

The fourth proportional to 146,208.56, 218,967.38 and 71,379.96 is: 106,901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,208.56 : 218,967.38 = 71,379.96 : x
  2. Step 2: Convert to fraction form
    146,208.56/218,967.38 = 71,379.96/x
  3. Step 3: Cross multiply
    146,208.56x = 218,967.38 × 71,379.96
  4. Step 4: Simplify right side
    146,208.56x = 15,629,882,825.70
  5. Step 5: Solve for x
    x = 15,629,882,825.70/146,208.56
  6. Step 6: Final answer
    x = 106,901.28

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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.