Home / 131,190.26-181,095.09-86,584.82

Finding the Fourth Proportional to 131,190.26, 181,095.09 and 86,584.82

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Solution

The fourth proportional to 131,190.26, 181,095.09 and 86,584.82 is: 119,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,190.26 : 181,095.09 = 86,584.82 : x
  2. Step 2: Convert to fraction form
    131,190.26/181,095.09 = 86,584.82/x
  3. Step 3: Cross multiply
    131,190.26x = 181,095.09 × 86,584.82
  4. Step 4: Simplify right side
    131,190.26x = 15,680,085,770.53
  5. Step 5: Solve for x
    x = 15,680,085,770.53/131,190.26
  6. Step 6: Final answer
    x = 119,521.72

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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.