Home / 179,793.30-269,499.48-78,502.41

Finding the Fourth Proportional to 179,793.30, 269,499.48 and 78,502.41

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Solution

The fourth proportional to 179,793.30, 269,499.48 and 78,502.41 is: 117,670.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.30 : 269,499.48 = 78,502.41 : x
  2. Step 2: Convert to fraction form
    179,793.30/269,499.48 = 78,502.41/x
  3. Step 3: Cross multiply
    179,793.30x = 269,499.48 × 78,502.41
  4. Step 4: Simplify right side
    179,793.30x = 21,156,358,673.75
  5. Step 5: Solve for x
    x = 21,156,358,673.75/179,793.30
  6. Step 6: Final answer
    x = 117,670.45

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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.