Home / 204,036.48-280,881-168,169.68

Finding the Fourth Proportional to 204,036.48, 280,881 and 168,169.68

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Solution

The fourth proportional to 204,036.48, 280,881 and 168,169.68 is: 231,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,036.48 : 280,881 = 168,169.68 : x
  2. Step 2: Convert to fraction form
    204,036.48/280,881 = 168,169.68/x
  3. Step 3: Cross multiply
    204,036.48x = 280,881 × 168,169.68
  4. Step 4: Simplify right side
    204,036.48x = 47,235,667,888.08
  5. Step 5: Solve for x
    x = 47,235,667,888.08/204,036.48
  6. Step 6: Final answer
    x = 231,505.99

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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.