Home / 144,516.06-199,439.91-80,850.06

Finding the Fourth Proportional to 144,516.06, 199,439.91 and 80,850.06

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Solution

The fourth proportional to 144,516.06, 199,439.91 and 80,850.06 is: 111,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,516.06 : 199,439.91 = 80,850.06 : x
  2. Step 2: Convert to fraction form
    144,516.06/199,439.91 = 80,850.06/x
  3. Step 3: Cross multiply
    144,516.06x = 199,439.91 × 80,850.06
  4. Step 4: Simplify right side
    144,516.06x = 16,124,728,689.89
  5. Step 5: Solve for x
    x = 16,124,728,689.89/144,516.06
  6. Step 6: Final answer
    x = 111,577.42

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1.5x scale

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.