Home / 131,224.20-181,044.14-73,851.90

Finding the Fourth Proportional to 131,224.20, 181,044.14 and 73,851.90

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Solution

The fourth proportional to 131,224.20, 181,044.14 and 73,851.90 is: 101,890.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,224.20 : 181,044.14 = 73,851.90 : x
  2. Step 2: Convert to fraction form
    131,224.20/181,044.14 = 73,851.90/x
  3. Step 3: Cross multiply
    131,224.20x = 181,044.14 × 73,851.90
  4. Step 4: Simplify right side
    131,224.20x = 13,370,453,722.87
  5. Step 5: Solve for x
    x = 13,370,453,722.87/131,224.20
  6. Step 6: Final answer
    x = 101,890.15

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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.