Home / 201,789.88-278,470.02-116,956.14

Finding the Fourth Proportional to 201,789.88, 278,470.02 and 116,956.14

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Solution

The fourth proportional to 201,789.88, 278,470.02 and 116,956.14 is: 161,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,789.88 : 278,470.02 = 116,956.14 : x
  2. Step 2: Convert to fraction form
    201,789.88/278,470.02 = 116,956.14/x
  3. Step 3: Cross multiply
    201,789.88x = 278,470.02 × 116,956.14
  4. Step 4: Simplify right side
    201,789.88x = 32,568,778,644.92
  5. Step 5: Solve for x
    x = 32,568,778,644.92/201,789.88
  6. Step 6: Final answer
    x = 161,399.46

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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.