Home / 205,729.14-283,892.81-115,069.38

Finding the Fourth Proportional to 205,729.14, 283,892.81 and 115,069.38

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Solution

The fourth proportional to 205,729.14, 283,892.81 and 115,069.38 is: 158,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,729.14 : 283,892.81 = 115,069.38 : x
  2. Step 2: Convert to fraction form
    205,729.14/283,892.81 = 115,069.38/x
  3. Step 3: Cross multiply
    205,729.14x = 283,892.81 × 115,069.38
  4. Step 4: Simplify right side
    205,729.14x = 32,667,369,633.16
  5. Step 5: Solve for x
    x = 32,667,369,633.16/205,729.14
  6. Step 6: Final answer
    x = 158,788.25

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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.