Home / 252,719.38-378,855.69-103,084.84

Finding the Fourth Proportional to 252,719.38, 378,855.69 and 103,084.84

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Solution

The fourth proportional to 252,719.38, 378,855.69 and 103,084.84 is: 154,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,719.38 : 378,855.69 = 103,084.84 : x
  2. Step 2: Convert to fraction form
    252,719.38/378,855.69 = 103,084.84/x
  3. Step 3: Cross multiply
    252,719.38x = 378,855.69 × 103,084.84
  4. Step 4: Simplify right side
    252,719.38x = 39,054,278,186.74
  5. Step 5: Solve for x
    x = 39,054,278,186.74/252,719.38
  6. Step 6: Final answer
    x = 154,536.14

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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.