Home / 160,551.20-240,974.88-81,722.24

Finding the Fourth Proportional to 160,551.20, 240,974.88 and 81,722.24

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Solution

The fourth proportional to 160,551.20, 240,974.88 and 81,722.24 is: 122,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,551.20 : 240,974.88 = 81,722.24 : x
  2. Step 2: Convert to fraction form
    160,551.20/240,974.88 = 81,722.24/x
  3. Step 3: Cross multiply
    160,551.20x = 240,974.88 × 81,722.24
  4. Step 4: Simplify right side
    160,551.20x = 19,693,006,977.33
  5. Step 5: Solve for x
    x = 19,693,006,977.33/160,551.20
  6. Step 6: Final answer
    x = 122,658.73

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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.