Home / 206,476.57-309,677.93-131,373.62

Finding the Fourth Proportional to 206,476.57, 309,677.93 and 131,373.62

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Solution

The fourth proportional to 206,476.57, 309,677.93 and 131,373.62 is: 197,036.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,476.57 : 309,677.93 = 131,373.62 : x
  2. Step 2: Convert to fraction form
    206,476.57/309,677.93 = 131,373.62/x
  3. Step 3: Cross multiply
    206,476.57x = 309,677.93 × 131,373.62
  4. Step 4: Simplify right side
    206,476.57x = 40,683,511,756.84
  5. Step 5: Solve for x
    x = 40,683,511,756.84/206,476.57
  6. Step 6: Final answer
    x = 197,036.94

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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.