Home / 141,320.81-195,013.54-80,891.93

Finding the Fourth Proportional to 141,320.81, 195,013.54 and 80,891.93

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Solution

The fourth proportional to 141,320.81, 195,013.54 and 80,891.93 is: 111,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.81 : 195,013.54 = 80,891.93 : x
  2. Step 2: Convert to fraction form
    141,320.81/195,013.54 = 80,891.93/x
  3. Step 3: Cross multiply
    141,320.81x = 195,013.54 × 80,891.93
  4. Step 4: Simplify right side
    141,320.81x = 15,775,021,626.73
  5. Step 5: Solve for x
    x = 15,775,021,626.73/141,320.81
  6. Step 6: Final answer
    x = 111,625.61

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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.