Home / 204,339.91-281,838.27-140,698.21

Finding the Fourth Proportional to 204,339.91, 281,838.27 and 140,698.21

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Solution

The fourth proportional to 204,339.91, 281,838.27 and 140,698.21 is: 194,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,339.91 : 281,838.27 = 140,698.21 : x
  2. Step 2: Convert to fraction form
    204,339.91/281,838.27 = 140,698.21/x
  3. Step 3: Cross multiply
    204,339.91x = 281,838.27 × 140,698.21
  4. Step 4: Simplify right side
    204,339.91x = 39,654,140,098.50
  5. Step 5: Solve for x
    x = 39,654,140,098.50/204,339.91
  6. Step 6: Final answer
    x = 194,059.69

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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.