Home / 206,301.08-309,455.94-66,059.30

Finding the Fourth Proportional to 206,301.08, 309,455.94 and 66,059.30

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Solution

The fourth proportional to 206,301.08, 309,455.94 and 66,059.30 is: 99,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,301.08 : 309,455.94 = 66,059.30 : x
  2. Step 2: Convert to fraction form
    206,301.08/309,455.94 = 66,059.30/x
  3. Step 3: Cross multiply
    206,301.08x = 309,455.94 × 66,059.30
  4. Step 4: Simplify right side
    206,301.08x = 20,442,442,777.24
  5. Step 5: Solve for x
    x = 20,442,442,777.24/206,301.08
  6. Step 6: Final answer
    x = 99,090.33

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1.5x scale

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.