Home / 206,527.20-309,291.80-117,511.04

Finding the Fourth Proportional to 206,527.20, 309,291.80 and 117,511.04

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Solution

The fourth proportional to 206,527.20, 309,291.80 and 117,511.04 is: 175,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,527.20 : 309,291.80 = 117,511.04 : x
  2. Step 2: Convert to fraction form
    206,527.20/309,291.80 = 117,511.04/x
  3. Step 3: Cross multiply
    206,527.20x = 309,291.80 × 117,511.04
  4. Step 4: Simplify right side
    206,527.20x = 36,345,201,081.47
  5. Step 5: Solve for x
    x = 36,345,201,081.47/206,527.20
  6. Step 6: Final answer
    x = 175,982.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.