Home / 204,705.88-282,554.94-129,304.60

Finding the Fourth Proportional to 204,705.88, 282,554.94 and 129,304.60

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Solution

The fourth proportional to 204,705.88, 282,554.94 and 129,304.60 is: 178,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,705.88 : 282,554.94 = 129,304.60 : x
  2. Step 2: Convert to fraction form
    204,705.88/282,554.94 = 129,304.60/x
  3. Step 3: Cross multiply
    204,705.88x = 282,554.94 × 129,304.60
  4. Step 4: Simplify right side
    204,705.88x = 36,535,653,494.72
  5. Step 5: Solve for x
    x = 36,535,653,494.72/204,705.88
  6. Step 6: Final answer
    x = 178,478.77

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1.5x scale

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.