Home / 141,974.25-212,899.01-53,165.48

Finding the Fourth Proportional to 141,974.25, 212,899.01 and 53,165.48

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Solution

The fourth proportional to 141,974.25, 212,899.01 and 53,165.48 is: 79,724.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,974.25 : 212,899.01 = 53,165.48 : x
  2. Step 2: Convert to fraction form
    141,974.25/212,899.01 = 53,165.48/x
  3. Step 3: Cross multiply
    141,974.25x = 212,899.01 × 53,165.48
  4. Step 4: Simplify right side
    141,974.25x = 11,318,876,727.85
  5. Step 5: Solve for x
    x = 11,318,876,727.85/141,974.25
  6. Step 6: Final answer
    x = 79,724.86

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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.