Home / 179,430.78-269,137.24-67,102.74

Finding the Fourth Proportional to 179,430.78, 269,137.24 and 67,102.74

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Solution

The fourth proportional to 179,430.78, 269,137.24 and 67,102.74 is: 100,650.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.78 : 269,137.24 = 67,102.74 : x
  2. Step 2: Convert to fraction form
    179,430.78/269,137.24 = 67,102.74/x
  3. Step 3: Cross multiply
    179,430.78x = 269,137.24 × 67,102.74
  4. Step 4: Simplify right side
    179,430.78x = 18,059,846,240.04
  5. Step 5: Solve for x
    x = 18,059,846,240.04/179,430.78
  6. Step 6: Final answer
    x = 100,650.77

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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.