Home / 252,837.70-348,916.03-139,660.45

Finding the Fourth Proportional to 252,837.70, 348,916.03 and 139,660.45

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Solution

The fourth proportional to 252,837.70, 348,916.03 and 139,660.45 is: 192,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,837.70 : 348,916.03 = 139,660.45 : x
  2. Step 2: Convert to fraction form
    252,837.70/348,916.03 = 139,660.45/x
  3. Step 3: Cross multiply
    252,837.70x = 348,916.03 × 139,660.45
  4. Step 4: Simplify right side
    252,837.70x = 48,729,770,896.02
  5. Step 5: Solve for x
    x = 48,729,770,896.02/252,837.70
  6. Step 6: Final answer
    x = 192,731.43

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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.