Home / 102,845.50-154,179.05-45,876.58

Finding the Fourth Proportional to 102,845.50, 154,179.05 and 45,876.58

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Solution

The fourth proportional to 102,845.50, 154,179.05 and 45,876.58 is: 68,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,845.50 : 154,179.05 = 45,876.58 : x
  2. Step 2: Convert to fraction form
    102,845.50/154,179.05 = 45,876.58/x
  3. Step 3: Cross multiply
    102,845.50x = 154,179.05 × 45,876.58
  4. Step 4: Simplify right side
    102,845.50x = 7,073,206,906.82
  5. Step 5: Solve for x
    x = 7,073,206,906.82/102,845.50
  6. Step 6: Final answer
    x = 68,775.08

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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.