Home / 141,972.13-212,895.82-53,163.33

Finding the Fourth Proportional to 141,972.13, 212,895.82 and 53,163.33

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Solution

The fourth proportional to 141,972.13, 212,895.82 and 53,163.33 is: 79,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.13 : 212,895.82 = 53,163.33 : x
  2. Step 2: Convert to fraction form
    141,972.13/212,895.82 = 53,163.33/x
  3. Step 3: Cross multiply
    141,972.13x = 212,895.82 × 53,163.33
  4. Step 4: Simplify right side
    141,972.13x = 11,318,250,468.46
  5. Step 5: Solve for x
    x = 11,318,250,468.46/141,972.13
  6. Step 6: Final answer
    x = 79,721.64

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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.