Home / 102,849.78-154,278.03-35,381.13

Finding the Fourth Proportional to 102,849.78, 154,278.03 and 35,381.13

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Solution

The fourth proportional to 102,849.78, 154,278.03 and 35,381.13 is: 53,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,849.78 : 154,278.03 = 35,381.13 : x
  2. Step 2: Convert to fraction form
    102,849.78/154,278.03 = 35,381.13/x
  3. Step 3: Cross multiply
    102,849.78x = 154,278.03 × 35,381.13
  4. Step 4: Simplify right side
    102,849.78x = 5,458,531,035.57
  5. Step 5: Solve for x
    x = 5,458,531,035.57/102,849.78
  6. Step 6: Final answer
    x = 53,072.85

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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.