Home / 152,279.78-228,466.41-68,110.76

Finding the Fourth Proportional to 152,279.78, 228,466.41 and 68,110.76

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Solution

The fourth proportional to 152,279.78, 228,466.41 and 68,110.76 is: 102,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.78 : 228,466.41 = 68,110.76 : x
  2. Step 2: Convert to fraction form
    152,279.78/228,466.41 = 68,110.76/x
  3. Step 3: Cross multiply
    152,279.78x = 228,466.41 × 68,110.76
  4. Step 4: Simplify right side
    152,279.78x = 15,561,020,819.57
  5. Step 5: Solve for x
    x = 15,561,020,819.57/152,279.78
  6. Step 6: Final answer
    x = 102,187.05

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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.