Home / 144,516.92-199,431.86-79,986.29

Finding the Fourth Proportional to 144,516.92, 199,431.86 and 79,986.29

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Solution

The fourth proportional to 144,516.92, 199,431.86 and 79,986.29 is: 110,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,516.92 : 199,431.86 = 79,986.29 : x
  2. Step 2: Convert to fraction form
    144,516.92/199,431.86 = 79,986.29/x
  3. Step 3: Cross multiply
    144,516.92x = 199,431.86 × 79,986.29
  4. Step 4: Simplify right side
    144,516.92x = 15,951,813,192.11
  5. Step 5: Solve for x
    x = 15,951,813,192.11/144,516.92
  6. Step 6: Final answer
    x = 110,380.25

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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.