Home / 206,907.16-285,558.26-126,317.42

Finding the Fourth Proportional to 206,907.16, 285,558.26 and 126,317.42

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Solution

The fourth proportional to 206,907.16, 285,558.26 and 126,317.42 is: 174,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,907.16 : 285,558.26 = 126,317.42 : x
  2. Step 2: Convert to fraction form
    206,907.16/285,558.26 = 126,317.42/x
  3. Step 3: Cross multiply
    206,907.16x = 285,558.26 × 126,317.42
  4. Step 4: Simplify right side
    206,907.16x = 36,070,982,662.89
  5. Step 5: Solve for x
    x = 36,070,982,662.89/206,907.16
  6. Step 6: Final answer
    x = 174,334.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.