Home / 131,221.14-181,085.91-73,861.59

Finding the Fourth Proportional to 131,221.14, 181,085.91 and 73,861.59

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Solution

The fourth proportional to 131,221.14, 181,085.91 and 73,861.59 is: 101,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,221.14 : 181,085.91 = 73,861.59 : x
  2. Step 2: Convert to fraction form
    131,221.14/181,085.91 = 73,861.59/x
  3. Step 3: Cross multiply
    131,221.14x = 181,085.91 × 73,861.59
  4. Step 4: Simplify right side
    131,221.14x = 13,375,293,239.20
  5. Step 5: Solve for x
    x = 13,375,293,239.20/131,221.14
  6. Step 6: Final answer
    x = 101,929.41

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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.