Home / 99,748.84-149,540.46-40,612.36

Finding the Fourth Proportional to 99,748.84, 149,540.46 and 40,612.36

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Solution

The fourth proportional to 99,748.84, 149,540.46 and 40,612.36 is: 60,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,748.84 : 149,540.46 = 40,612.36 : x
  2. Step 2: Convert to fraction form
    99,748.84/149,540.46 = 40,612.36/x
  3. Step 3: Cross multiply
    99,748.84x = 149,540.46 × 40,612.36
  4. Step 4: Simplify right side
    99,748.84x = 6,073,190,996.09
  5. Step 5: Solve for x
    x = 6,073,190,996.09/99,748.84
  6. Step 6: Final answer
    x = 60,884.83

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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.