Home / 141,773.54-195,647.49-78,112.70

Finding the Fourth Proportional to 141,773.54, 195,647.49 and 78,112.70

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Solution

The fourth proportional to 141,773.54, 195,647.49 and 78,112.70 is: 107,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,773.54 : 195,647.49 = 78,112.70 : x
  2. Step 2: Convert to fraction form
    141,773.54/195,647.49 = 78,112.70/x
  3. Step 3: Cross multiply
    141,773.54x = 195,647.49 × 78,112.70
  4. Step 4: Simplify right side
    141,773.54x = 15,282,552,713.89
  5. Step 5: Solve for x
    x = 15,282,552,713.89/141,773.54
  6. Step 6: Final answer
    x = 107,795.53

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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.