Home / 206,209.23-308,911.13-97,984.63

Finding the Fourth Proportional to 206,209.23, 308,911.13 and 97,984.63

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Solution

The fourth proportional to 206,209.23, 308,911.13 and 97,984.63 is: 146,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,209.23 : 308,911.13 = 97,984.63 : x
  2. Step 2: Convert to fraction form
    206,209.23/308,911.13 = 97,984.63/x
  3. Step 3: Cross multiply
    206,209.23x = 308,911.13 × 97,984.63
  4. Step 4: Simplify right side
    206,209.23x = 30,268,541,758.69
  5. Step 5: Solve for x
    x = 30,268,541,758.69/206,209.23
  6. Step 6: Final answer
    x = 146,785.58

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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.