Home / 131,537.88-181,479.42-80,497.35

Finding the Fourth Proportional to 131,537.88, 181,479.42 and 80,497.35

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Solution

The fourth proportional to 131,537.88, 181,479.42 and 80,497.35 is: 111,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,537.88 : 181,479.42 = 80,497.35 : x
  2. Step 2: Convert to fraction form
    131,537.88/181,479.42 = 80,497.35/x
  3. Step 3: Cross multiply
    131,537.88x = 181,479.42 × 80,497.35
  4. Step 4: Simplify right side
    131,537.88x = 14,608,612,389.54
  5. Step 5: Solve for x
    x = 14,608,612,389.54/131,537.88
  6. Step 6: Final answer
    x = 111,060.12

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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.