Home / 168,318.30-232,279.83-91,837.02

Finding the Fourth Proportional to 168,318.30, 232,279.83 and 91,837.02

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Solution

The fourth proportional to 168,318.30, 232,279.83 and 91,837.02 is: 126,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,318.30 : 232,279.83 = 91,837.02 : x
  2. Step 2: Convert to fraction form
    168,318.30/232,279.83 = 91,837.02/x
  3. Step 3: Cross multiply
    168,318.30x = 232,279.83 × 91,837.02
  4. Step 4: Simplify right side
    168,318.30x = 21,331,887,393.31
  5. Step 5: Solve for x
    x = 21,331,887,393.31/168,318.30
  6. Step 6: Final answer
    x = 126,735.40

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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.