Home / 252,911.89-379,393.37-82,126.46

Finding the Fourth Proportional to 252,911.89, 379,393.37 and 82,126.46

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Solution

The fourth proportional to 252,911.89, 379,393.37 and 82,126.46 is: 123,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,911.89 : 379,393.37 = 82,126.46 : x
  2. Step 2: Convert to fraction form
    252,911.89/379,393.37 = 82,126.46/x
  3. Step 3: Cross multiply
    252,911.89x = 379,393.37 × 82,126.46
  4. Step 4: Simplify right side
    252,911.89x = 31,158,234,425.57
  5. Step 5: Solve for x
    x = 31,158,234,425.57/252,911.89
  6. Step 6: Final answer
    x = 123,197.98

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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.