Home / 144,799.92-199,823.76-80,273.28

Finding the Fourth Proportional to 144,799.92, 199,823.76 and 80,273.28

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Solution

The fourth proportional to 144,799.92, 199,823.76 and 80,273.28 is: 110,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,799.92 : 199,823.76 = 80,273.28 : x
  2. Step 2: Convert to fraction form
    144,799.92/199,823.76 = 80,273.28/x
  3. Step 3: Cross multiply
    144,799.92x = 199,823.76 × 80,273.28
  4. Step 4: Simplify right side
    144,799.92x = 16,040,508,637.13
  5. Step 5: Solve for x
    x = 16,040,508,637.13/144,799.92
  6. Step 6: Final answer
    x = 110,777.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.