Home / 159,383.12-239,115-114,456.08

Finding the Fourth Proportional to 159,383.12, 239,115 and 114,456.08

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Solution

The fourth proportional to 159,383.12, 239,115 and 114,456.08 is: 171,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,383.12 : 239,115 = 114,456.08 : x
  2. Step 2: Convert to fraction form
    159,383.12/239,115 = 114,456.08/x
  3. Step 3: Cross multiply
    159,383.12x = 239,115 × 114,456.08
  4. Step 4: Simplify right side
    159,383.12x = 27,368,165,569.20
  5. Step 5: Solve for x
    x = 27,368,165,569.20/159,383.12
  6. Step 6: Final answer
    x = 171,713.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.