Home / 252,711.12-348,732.20-139,531.44

Finding the Fourth Proportional to 252,711.12, 348,732.20 and 139,531.44

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Solution

The fourth proportional to 252,711.12, 348,732.20 and 139,531.44 is: 192,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,711.12 : 348,732.20 = 139,531.44 : x
  2. Step 2: Convert to fraction form
    252,711.12/348,732.20 = 139,531.44/x
  3. Step 3: Cross multiply
    252,711.12x = 348,732.20 × 139,531.44
  4. Step 4: Simplify right side
    252,711.12x = 48,659,106,040.37
  5. Step 5: Solve for x
    x = 48,659,106,040.37/252,711.12
  6. Step 6: Final answer
    x = 192,548.34

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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.