Home / 131,349.20-181,197-77,608.26

Finding the Fourth Proportional to 131,349.20, 181,197 and 77,608.26

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Solution

The fourth proportional to 131,349.20, 181,197 and 77,608.26 is: 107,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349.20 : 181,197 = 77,608.26 : x
  2. Step 2: Convert to fraction form
    131,349.20/181,197 = 77,608.26/x
  3. Step 3: Cross multiply
    131,349.20x = 181,197 × 77,608.26
  4. Step 4: Simplify right side
    131,349.20x = 14,062,383,887.22
  5. Step 5: Solve for x
    x = 14,062,383,887.22/131,349.20
  6. Step 6: Final answer
    x = 107,061.06

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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.