Home / 252,829.20-379,243.80-134,731.20

Finding the Fourth Proportional to 252,829.20, 379,243.80 and 134,731.20

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Solution

The fourth proportional to 252,829.20, 379,243.80 and 134,731.20 is: 202,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,829.20 : 379,243.80 = 134,731.20 : x
  2. Step 2: Convert to fraction form
    252,829.20/379,243.80 = 134,731.20/x
  3. Step 3: Cross multiply
    252,829.20x = 379,243.80 × 134,731.20
  4. Step 4: Simplify right side
    252,829.20x = 51,095,972,266.56
  5. Step 5: Solve for x
    x = 51,095,972,266.56/252,829.20
  6. Step 6: Final answer
    x = 202,096.80

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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.