Home / 204,869.45-282,619.34-136,903.11

Finding the Fourth Proportional to 204,869.45, 282,619.34 and 136,903.11

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Solution

The fourth proportional to 204,869.45, 282,619.34 and 136,903.11 is: 188,859.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.45 : 282,619.34 = 136,903.11 : x
  2. Step 2: Convert to fraction form
    204,869.45/282,619.34 = 136,903.11/x
  3. Step 3: Cross multiply
    204,869.45x = 282,619.34 × 136,903.11
  4. Step 4: Simplify right side
    204,869.45x = 38,691,465,907.63
  5. Step 5: Solve for x
    x = 38,691,465,907.63/204,869.45
  6. Step 6: Final answer
    x = 188,859.13

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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.