Home / 159,273.18-239,057.46-80,442.72

Finding the Fourth Proportional to 159,273.18, 239,057.46 and 80,442.72

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Solution

The fourth proportional to 159,273.18, 239,057.46 and 80,442.72 is: 120,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,273.18 : 239,057.46 = 80,442.72 : x
  2. Step 2: Convert to fraction form
    159,273.18/239,057.46 = 80,442.72/x
  3. Step 3: Cross multiply
    159,273.18x = 239,057.46 × 80,442.72
  4. Step 4: Simplify right side
    159,273.18x = 19,230,432,318.69
  5. Step 5: Solve for x
    x = 19,230,432,318.69/159,273.18
  6. Step 6: Final answer
    x = 120,738.67

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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.