Home / 160,027.81-240,192.37-81,198.61

Finding the Fourth Proportional to 160,027.81, 240,192.37 and 81,198.61

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Solution

The fourth proportional to 160,027.81, 240,192.37 and 81,198.61 is: 121,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,027.81 : 240,192.37 = 81,198.61 : x
  2. Step 2: Convert to fraction form
    160,027.81/240,192.37 = 81,198.61/x
  3. Step 3: Cross multiply
    160,027.81x = 240,192.37 × 81,198.61
  4. Step 4: Simplify right side
    160,027.81x = 19,503,286,576.61
  5. Step 5: Solve for x
    x = 19,503,286,576.61/160,027.81
  6. Step 6: Final answer
    x = 121,874.36

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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.