Home / 204,648.26-282,388.89-113,981.38

Finding the Fourth Proportional to 204,648.26, 282,388.89 and 113,981.38

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Solution

The fourth proportional to 204,648.26, 282,388.89 and 113,981.38 is: 157,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,648.26 : 282,388.89 = 113,981.38 : x
  2. Step 2: Convert to fraction form
    204,648.26/282,388.89 = 113,981.38/x
  3. Step 3: Cross multiply
    204,648.26x = 282,388.89 × 113,981.38
  4. Step 4: Simplify right side
    204,648.26x = 32,187,075,378.87
  5. Step 5: Solve for x
    x = 32,187,075,378.87/204,648.26
  6. Step 6: Final answer
    x = 157,279.99

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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.