Home / 152,331.78-228,544.38-68,162.79

Finding the Fourth Proportional to 152,331.78, 228,544.38 and 68,162.79

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Solution

The fourth proportional to 152,331.78, 228,544.38 and 68,162.79 is: 102,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,331.78 : 228,544.38 = 68,162.79 : x
  2. Step 2: Convert to fraction form
    152,331.78/228,544.38 = 68,162.79/x
  3. Step 3: Cross multiply
    152,331.78x = 228,544.38 × 68,162.79
  4. Step 4: Simplify right side
    152,331.78x = 15,578,222,579.62
  5. Step 5: Solve for x
    x = 15,578,222,579.62/152,331.78
  6. Step 6: Final answer
    x = 102,265.09

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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.