Home / 103,772.20-143,179.62-58,441

Finding the Fourth Proportional to 103,772.20, 143,179.62 and 58,441

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Solution

The fourth proportional to 103,772.20, 143,179.62 and 58,441 is: 80,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,772.20 : 143,179.62 = 58,441 : x
  2. Step 2: Convert to fraction form
    103,772.20/143,179.62 = 58,441/x
  3. Step 3: Cross multiply
    103,772.20x = 143,179.62 × 58,441
  4. Step 4: Simplify right side
    103,772.20x = 8,367,560,172.42
  5. Step 5: Solve for x
    x = 8,367,560,172.42/103,772.20
  6. Step 6: Final answer
    x = 80,633.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.