Home / 142,715.24-214,086.98-52,781.56

Finding the Fourth Proportional to 142,715.24, 214,086.98 and 52,781.56

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Solution

The fourth proportional to 142,715.24, 214,086.98 and 52,781.56 is: 79,177.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,715.24 : 214,086.98 = 52,781.56 : x
  2. Step 2: Convert to fraction form
    142,715.24/214,086.98 = 52,781.56/x
  3. Step 3: Cross multiply
    142,715.24x = 214,086.98 × 52,781.56
  4. Step 4: Simplify right side
    142,715.24x = 11,299,844,780.09
  5. Step 5: Solve for x
    x = 11,299,844,780.09/142,715.24
  6. Step 6: Final answer
    x = 79,177.56

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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.