Home / 206,336.56-309,504.93-136,199.47

Finding the Fourth Proportional to 206,336.56, 309,504.93 and 136,199.47

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Solution

The fourth proportional to 206,336.56, 309,504.93 and 136,199.47 is: 204,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,336.56 : 309,504.93 = 136,199.47 : x
  2. Step 2: Convert to fraction form
    206,336.56/309,504.93 = 136,199.47/x
  3. Step 3: Cross multiply
    206,336.56x = 309,504.93 × 136,199.47
  4. Step 4: Simplify right side
    206,336.56x = 42,154,407,428.39
  5. Step 5: Solve for x
    x = 42,154,407,428.39/206,336.56
  6. Step 6: Final answer
    x = 204,299.26

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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.