Home / 105,396.96-158,157.70-38,883.79

Finding the Fourth Proportional to 105,396.96, 158,157.70 and 38,883.79

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Solution

The fourth proportional to 105,396.96, 158,157.70 and 38,883.79 is: 58,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396.96 : 158,157.70 = 38,883.79 : x
  2. Step 2: Convert to fraction form
    105,396.96/158,157.70 = 38,883.79/x
  3. Step 3: Cross multiply
    105,396.96x = 158,157.70 × 38,883.79
  4. Step 4: Simplify right side
    105,396.96x = 6,149,770,793.68
  5. Step 5: Solve for x
    x = 6,149,770,793.68/105,396.96
  6. Step 6: Final answer
    x = 58,348.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.