Home / 152,727.88-228,999.78-68,472.79

Finding the Fourth Proportional to 152,727.88, 228,999.78 and 68,472.79

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Solution

The fourth proportional to 152,727.88, 228,999.78 and 68,472.79 is: 102,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,727.88 : 228,999.78 = 68,472.79 : x
  2. Step 2: Convert to fraction form
    152,727.88/228,999.78 = 68,472.79/x
  3. Step 3: Cross multiply
    152,727.88x = 228,999.78 × 68,472.79
  4. Step 4: Simplify right side
    152,727.88x = 15,680,253,845.99
  5. Step 5: Solve for x
    x = 15,680,253,845.99/152,727.88
  6. Step 6: Final answer
    x = 102,667.92

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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.