Home / 188,380.46-259,964.01-102,338.76

Finding the Fourth Proportional to 188,380.46, 259,964.01 and 102,338.76

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Solution

The fourth proportional to 188,380.46, 259,964.01 and 102,338.76 is: 141,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,380.46 : 259,964.01 = 102,338.76 : x
  2. Step 2: Convert to fraction form
    188,380.46/259,964.01 = 102,338.76/x
  3. Step 3: Cross multiply
    188,380.46x = 259,964.01 × 102,338.76
  4. Step 4: Simplify right side
    188,380.46x = 26,604,394,428.03
  5. Step 5: Solve for x
    x = 26,604,394,428.03/188,380.46
  6. Step 6: Final answer
    x = 141,226.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.