Home / 141,982.38-212,911.41-53,173.61

Finding the Fourth Proportional to 141,982.38, 212,911.41 and 53,173.61

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Solution

The fourth proportional to 141,982.38, 212,911.41 and 53,173.61 is: 79,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.38 : 212,911.41 = 53,173.61 : x
  2. Step 2: Convert to fraction form
    141,982.38/212,911.41 = 53,173.61/x
  3. Step 3: Cross multiply
    141,982.38x = 212,911.41 × 53,173.61
  4. Step 4: Simplify right side
    141,982.38x = 11,321,267,215.33
  5. Step 5: Solve for x
    x = 11,321,267,215.33/141,982.38
  6. Step 6: Final answer
    x = 79,737.13

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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.