Home / 113,252.92-169,934.76-80,185.48

Finding the Fourth Proportional to 113,252.92, 169,934.76 and 80,185.48

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Solution

The fourth proportional to 113,252.92, 169,934.76 and 80,185.48 is: 120,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,252.92 : 169,934.76 = 80,185.48 : x
  2. Step 2: Convert to fraction form
    113,252.92/169,934.76 = 80,185.48/x
  3. Step 3: Cross multiply
    113,252.92x = 169,934.76 × 80,185.48
  4. Step 4: Simplify right side
    113,252.92x = 13,626,299,874.45
  5. Step 5: Solve for x
    x = 13,626,299,874.45/113,252.92
  6. Step 6: Final answer
    x = 120,317.43

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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.