Home / 143,947.03-215,948.23-55,193.61

Finding the Fourth Proportional to 143,947.03, 215,948.23 and 55,193.61

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Solution

The fourth proportional to 143,947.03, 215,948.23 and 55,193.61 is: 82,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.03 : 215,948.23 = 55,193.61 : x
  2. Step 2: Convert to fraction form
    143,947.03/215,948.23 = 55,193.61/x
  3. Step 3: Cross multiply
    143,947.03x = 215,948.23 × 55,193.61
  4. Step 4: Simplify right side
    143,947.03x = 11,918,962,248.83
  5. Step 5: Solve for x
    x = 11,918,962,248.83/143,947.03
  6. Step 6: Final answer
    x = 82,801.03

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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.