Home / 159,450.32-238,732.56-80,324.64

Finding the Fourth Proportional to 159,450.32, 238,732.56 and 80,324.64

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Solution

The fourth proportional to 159,450.32, 238,732.56 and 80,324.64 is: 120,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,450.32 : 238,732.56 = 80,324.64 : x
  2. Step 2: Convert to fraction form
    159,450.32/238,732.56 = 80,324.64/x
  3. Step 3: Cross multiply
    159,450.32x = 238,732.56 × 80,324.64
  4. Step 4: Simplify right side
    159,450.32x = 19,176,106,938.28
  5. Step 5: Solve for x
    x = 19,176,106,938.28/159,450.32
  6. Step 6: Final answer
    x = 120,263.83

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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.