Home / 206,302.02-309,455.75-66,060.64

Finding the Fourth Proportional to 206,302.02, 309,455.75 and 66,060.64

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Solution

The fourth proportional to 206,302.02, 309,455.75 and 66,060.64 is: 99,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,302.02 : 309,455.75 = 66,060.64 : x
  2. Step 2: Convert to fraction form
    206,302.02/309,455.75 = 66,060.64/x
  3. Step 3: Cross multiply
    206,302.02x = 309,455.75 × 66,060.64
  4. Step 4: Simplify right side
    206,302.02x = 20,442,844,896.68
  5. Step 5: Solve for x
    x = 20,442,844,896.68/206,302.02
  6. Step 6: Final answer
    x = 99,091.83

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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.