Home / 201,546.48-278,125.79-109,666.14

Finding the Fourth Proportional to 201,546.48, 278,125.79 and 109,666.14

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Solution

The fourth proportional to 201,546.48, 278,125.79 and 109,666.14 is: 151,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,546.48 : 278,125.79 = 109,666.14 : x
  2. Step 2: Convert to fraction form
    201,546.48/278,125.79 = 109,666.14/x
  3. Step 3: Cross multiply
    201,546.48x = 278,125.79 × 109,666.14
  4. Step 4: Simplify right side
    201,546.48x = 30,500,981,823.75
  5. Step 5: Solve for x
    x = 30,500,981,823.75/201,546.48
  6. Step 6: Final answer
    x = 151,334.73

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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.