Home / 143,890.20-215,816.40-44,060.40

Finding the Fourth Proportional to 143,890.20, 215,816.40 and 44,060.40

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Solution

The fourth proportional to 143,890.20, 215,816.40 and 44,060.40 is: 66,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,890.20 : 215,816.40 = 44,060.40 : x
  2. Step 2: Convert to fraction form
    143,890.20/215,816.40 = 44,060.40/x
  3. Step 3: Cross multiply
    143,890.20x = 215,816.40 × 44,060.40
  4. Step 4: Simplify right side
    143,890.20x = 9,508,956,910.56
  5. Step 5: Solve for x
    x = 9,508,956,910.56/143,890.20
  6. Step 6: Final answer
    x = 66,084.81

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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.