Home / 168,121.00-231,875.73-107,697.26

Finding the Fourth Proportional to 168,121.00, 231,875.73 and 107,697.26

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Solution

The fourth proportional to 168,121.00, 231,875.73 and 107,697.26 is: 148,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,121.00 : 231,875.73 = 107,697.26 : x
  2. Step 2: Convert to fraction form
    168,121.00/231,875.73 = 107,697.26/x
  3. Step 3: Cross multiply
    168,121.00x = 231,875.73 × 107,697.26
  4. Step 4: Simplify right side
    168,121.00x = 24,972,380,781.50
  5. Step 5: Solve for x
    x = 24,972,380,781.50/168,121.00
  6. Step 6: Final answer
    x = 148,538.14

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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.