Home / 103,664.05-155,397.56-40,524.65

Finding the Fourth Proportional to 103,664.05, 155,397.56 and 40,524.65

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Solution

The fourth proportional to 103,664.05, 155,397.56 and 40,524.65 is: 60,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.05 : 155,397.56 = 40,524.65 : x
  2. Step 2: Convert to fraction form
    103,664.05/155,397.56 = 40,524.65/x
  3. Step 3: Cross multiply
    103,664.05x = 155,397.56 × 40,524.65
  4. Step 4: Simplify right side
    103,664.05x = 6,297,431,729.85
  5. Step 5: Solve for x
    x = 6,297,431,729.85/103,664.05
  6. Step 6: Final answer
    x = 60,748.46

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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.