Home / 200,634.46-276,830.07-136,112.50

Finding the Fourth Proportional to 200,634.46, 276,830.07 and 136,112.50

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Solution

The fourth proportional to 200,634.46, 276,830.07 and 136,112.50 is: 187,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,634.46 : 276,830.07 = 136,112.50 : x
  2. Step 2: Convert to fraction form
    200,634.46/276,830.07 = 136,112.50/x
  3. Step 3: Cross multiply
    200,634.46x = 276,830.07 × 136,112.50
  4. Step 4: Simplify right side
    200,634.46x = 37,680,032,902.88
  5. Step 5: Solve for x
    x = 37,680,032,902.88/200,634.46
  6. Step 6: Final answer
    x = 187,804.39

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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.