Home / 303,972.10-456,122.31-126,601.54

Finding the Fourth Proportional to 303,972.10, 456,122.31 and 126,601.54

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Solution

The fourth proportional to 303,972.10, 456,122.31 and 126,601.54 is: 189,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,972.10 : 456,122.31 = 126,601.54 : x
  2. Step 2: Convert to fraction form
    303,972.10/456,122.31 = 126,601.54/x
  3. Step 3: Cross multiply
    303,972.10x = 456,122.31 × 126,601.54
  4. Step 4: Simplify right side
    303,972.10x = 57,745,786,874.36
  5. Step 5: Solve for x
    x = 57,745,786,874.36/303,972.10
  6. Step 6: Final answer
    x = 189,970.68

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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.