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Finding the Fourth Proportional to 180,169.92, 269,788.32 and 124,182.72

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Solution

The fourth proportional to 180,169.92, 269,788.32 and 124,182.72 is: 185,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,169.92 : 269,788.32 = 124,182.72 : x
  2. Step 2: Convert to fraction form
    180,169.92/269,788.32 = 124,182.72/x
  3. Step 3: Cross multiply
    180,169.92x = 269,788.32 × 124,182.72
  4. Step 4: Simplify right side
    180,169.92x = 33,503,047,401.83
  5. Step 5: Solve for x
    x = 33,503,047,401.83/180,169.92
  6. Step 6: Final answer
    x = 185,952.50

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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.