Home / 179,669.10-269,600.85-74,498.70

Finding the Fourth Proportional to 179,669.10, 269,600.85 and 74,498.70

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Solution

The fourth proportional to 179,669.10, 269,600.85 and 74,498.70 is: 111,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.10 : 269,600.85 = 74,498.70 : x
  2. Step 2: Convert to fraction form
    179,669.10/269,600.85 = 74,498.70/x
  3. Step 3: Cross multiply
    179,669.10x = 269,600.85 × 74,498.70
  4. Step 4: Simplify right side
    179,669.10x = 20,084,912,843.90
  5. Step 5: Solve for x
    x = 20,084,912,843.90/179,669.10
  6. Step 6: Final answer
    x = 111,788.35

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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.