Home / 146,422.02-219,382.38-79,908.87

Finding the Fourth Proportional to 146,422.02, 219,382.38 and 79,908.87

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Solution

The fourth proportional to 146,422.02, 219,382.38 and 79,908.87 is: 119,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,422.02 : 219,382.38 = 79,908.87 : x
  2. Step 2: Convert to fraction form
    146,422.02/219,382.38 = 79,908.87/x
  3. Step 3: Cross multiply
    146,422.02x = 219,382.38 × 79,908.87
  4. Step 4: Simplify right side
    146,422.02x = 17,530,598,906.39
  5. Step 5: Solve for x
    x = 17,530,598,906.39/146,422.02
  6. Step 6: Final answer
    x = 119,726.52

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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.