Home / 140,837.67-194,360.72-77,174.91

Finding the Fourth Proportional to 140,837.67, 194,360.72 and 77,174.91

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Solution

The fourth proportional to 140,837.67, 194,360.72 and 77,174.91 is: 106,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,837.67 : 194,360.72 = 77,174.91 : x
  2. Step 2: Convert to fraction form
    140,837.67/194,360.72 = 77,174.91/x
  3. Step 3: Cross multiply
    140,837.67x = 194,360.72 × 77,174.91
  4. Step 4: Simplify right side
    140,837.67x = 14,999,770,687.66
  5. Step 5: Solve for x
    x = 14,999,770,687.66/140,837.67
  6. Step 6: Final answer
    x = 106,503.97

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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.