Home / 199,144.36-274,920.78-134,952.71

Finding the Fourth Proportional to 199,144.36, 274,920.78 and 134,952.71

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Solution

The fourth proportional to 199,144.36, 274,920.78 and 134,952.71 is: 186,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.36 : 274,920.78 = 134,952.71 : x
  2. Step 2: Convert to fraction form
    199,144.36/274,920.78 = 134,952.71/x
  3. Step 3: Cross multiply
    199,144.36x = 274,920.78 × 134,952.71
  4. Step 4: Simplify right side
    199,144.36x = 37,101,304,983.62
  5. Step 5: Solve for x
    x = 37,101,304,983.62/199,144.36
  6. Step 6: Final answer
    x = 186,303.57

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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.