Home / 141,474.33-195,234.89-77,810.85

Finding the Fourth Proportional to 141,474.33, 195,234.89 and 77,810.85

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Solution

The fourth proportional to 141,474.33, 195,234.89 and 77,810.85 is: 107,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,474.33 : 195,234.89 = 77,810.85 : x
  2. Step 2: Convert to fraction form
    141,474.33/195,234.89 = 77,810.85/x
  3. Step 3: Cross multiply
    141,474.33x = 195,234.89 × 77,810.85
  4. Step 4: Simplify right side
    141,474.33x = 15,191,392,351.50
  5. Step 5: Solve for x
    x = 15,191,392,351.50/141,474.33
  6. Step 6: Final answer
    x = 107,379.14

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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.