Home / 204,851.04-307,339.20-105,081.72

Finding the Fourth Proportional to 204,851.04, 307,339.20 and 105,081.72

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Solution

The fourth proportional to 204,851.04, 307,339.20 and 105,081.72 is: 157,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,851.04 : 307,339.20 = 105,081.72 : x
  2. Step 2: Convert to fraction form
    204,851.04/307,339.20 = 105,081.72/x
  3. Step 3: Cross multiply
    204,851.04x = 307,339.20 × 105,081.72
  4. Step 4: Simplify right side
    204,851.04x = 32,295,731,759.42
  5. Step 5: Solve for x
    x = 32,295,731,759.42/204,851.04
  6. Step 6: Final answer
    x = 157,654.71

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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.