Home / 141,972.88-212,896.94-53,164.09

Finding the Fourth Proportional to 141,972.88, 212,896.94 and 53,164.09

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Solution

The fourth proportional to 141,972.88, 212,896.94 and 53,164.09 is: 79,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.88 : 212,896.94 = 53,164.09 : x
  2. Step 2: Convert to fraction form
    141,972.88/212,896.94 = 53,164.09/x
  3. Step 3: Cross multiply
    141,972.88x = 212,896.94 × 53,164.09
  4. Step 4: Simplify right side
    141,972.88x = 11,318,471,014.40
  5. Step 5: Solve for x
    x = 11,318,471,014.40/141,972.88
  6. Step 6: Final answer
    x = 79,722.77

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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.