Home / 206,301.02-309,454.25-66,059.64

Finding the Fourth Proportional to 206,301.02, 309,454.25 and 66,059.64

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Solution

The fourth proportional to 206,301.02, 309,454.25 and 66,059.64 is: 99,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,301.02 : 309,454.25 = 66,059.64 : x
  2. Step 2: Convert to fraction form
    206,301.02/309,454.25 = 66,059.64/x
  3. Step 3: Cross multiply
    206,301.02x = 309,454.25 × 66,059.64
  4. Step 4: Simplify right side
    206,301.02x = 20,442,436,021.17
  5. Step 5: Solve for x
    x = 20,442,436,021.17/206,301.02
  6. Step 6: Final answer
    x = 99,090.33

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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.