Home / 119,543.28-179,314.38-30,789.24

Finding the Fourth Proportional to 119,543.28, 179,314.38 and 30,789.24

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Solution

The fourth proportional to 119,543.28, 179,314.38 and 30,789.24 is: 46,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,543.28 : 179,314.38 = 30,789.24 : x
  2. Step 2: Convert to fraction form
    119,543.28/179,314.38 = 30,789.24/x
  3. Step 3: Cross multiply
    119,543.28x = 179,314.38 × 30,789.24
  4. Step 4: Simplify right side
    119,543.28x = 5,520,953,481.27
  5. Step 5: Solve for x
    x = 5,520,953,481.27/119,543.28
  6. Step 6: Final answer
    x = 46,183.72

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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.