Home / 159,490.73-239,236.10-109,419.03

Finding the Fourth Proportional to 159,490.73, 239,236.10 and 109,419.03

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Solution

The fourth proportional to 159,490.73, 239,236.10 and 109,419.03 is: 164,128.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,490.73 : 239,236.10 = 109,419.03 : x
  2. Step 2: Convert to fraction form
    159,490.73/239,236.10 = 109,419.03/x
  3. Step 3: Cross multiply
    159,490.73x = 239,236.10 × 109,419.03
  4. Step 4: Simplify right side
    159,490.73x = 26,176,981,424.16
  5. Step 5: Solve for x
    x = 26,176,981,424.16/159,490.73
  6. Step 6: Final answer
    x = 164,128.54

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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.