Home / 206,346.08-309,499.20-66,067.04

Finding the Fourth Proportional to 206,346.08, 309,499.20 and 66,067.04

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Solution

The fourth proportional to 206,346.08, 309,499.20 and 66,067.04 is: 99,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,346.08 : 309,499.20 = 66,067.04 : x
  2. Step 2: Convert to fraction form
    206,346.08/309,499.20 = 66,067.04/x
  3. Step 3: Cross multiply
    206,346.08x = 309,499.20 × 66,067.04
  4. Step 4: Simplify right side
    206,346.08x = 20,447,696,026.37
  5. Step 5: Solve for x
    x = 20,447,696,026.37/206,346.08
  6. Step 6: Final answer
    x = 99,094.18

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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.