Home / 179,430.20-269,147.36-76,833.72

Finding the Fourth Proportional to 179,430.20, 269,147.36 and 76,833.72

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Solution

The fourth proportional to 179,430.20, 269,147.36 and 76,833.72 is: 115,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.20 : 269,147.36 = 76,833.72 : x
  2. Step 2: Convert to fraction form
    179,430.20/269,147.36 = 76,833.72/x
  3. Step 3: Cross multiply
    179,430.20x = 269,147.36 × 76,833.72
  4. Step 4: Simplify right side
    179,430.20x = 20,679,592,896.98
  5. Step 5: Solve for x
    x = 20,679,592,896.98/179,430.20
  6. Step 6: Final answer
    x = 115,251.46

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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.