Home / 253,548.90-379,770.68-126,968.38

Finding the Fourth Proportional to 253,548.90, 379,770.68 and 126,968.38

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Solution

The fourth proportional to 253,548.90, 379,770.68 and 126,968.38 is: 190,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,548.90 : 379,770.68 = 126,968.38 : x
  2. Step 2: Convert to fraction form
    253,548.90/379,770.68 = 126,968.38/x
  3. Step 3: Cross multiply
    253,548.90x = 379,770.68 × 126,968.38
  4. Step 4: Simplify right side
    253,548.90x = 48,218,866,664.90
  5. Step 5: Solve for x
    x = 48,218,866,664.90/253,548.90
  6. Step 6: Final answer
    x = 190,175.81

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1.5x scale

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.