Home / 144,177.54-198,962.91-80,516.22

Finding the Fourth Proportional to 144,177.54, 198,962.91 and 80,516.22

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Solution

The fourth proportional to 144,177.54, 198,962.91 and 80,516.22 is: 111,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,177.54 : 198,962.91 = 80,516.22 : x
  2. Step 2: Convert to fraction form
    144,177.54/198,962.91 = 80,516.22/x
  3. Step 3: Cross multiply
    144,177.54x = 198,962.91 × 80,516.22
  4. Step 4: Simplify right side
    144,177.54x = 16,019,741,433.40
  5. Step 5: Solve for x
    x = 16,019,741,433.40/144,177.54
  6. Step 6: Final answer
    x = 111,111.21

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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.