Home / 131,184.33-181,048.32-80,226.87

Finding the Fourth Proportional to 131,184.33, 181,048.32 and 80,226.87

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Solution

The fourth proportional to 131,184.33, 181,048.32 and 80,226.87 is: 110,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,184.33 : 181,048.32 = 80,226.87 : x
  2. Step 2: Convert to fraction form
    131,184.33/181,048.32 = 80,226.87/x
  3. Step 3: Cross multiply
    131,184.33x = 181,048.32 × 80,226.87
  4. Step 4: Simplify right side
    131,184.33x = 14,524,940,032.36
  5. Step 5: Solve for x
    x = 14,524,940,032.36/131,184.33
  6. Step 6: Final answer
    x = 110,721.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.