Home / 252,617.06-348,611.49-139,439.78

Finding the Fourth Proportional to 252,617.06, 348,611.49 and 139,439.78

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Solution

The fourth proportional to 252,617.06, 348,611.49 and 139,439.78 is: 192,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,617.06 : 348,611.49 = 139,439.78 : x
  2. Step 2: Convert to fraction form
    252,617.06/348,611.49 = 139,439.78/x
  3. Step 3: Cross multiply
    252,617.06x = 348,611.49 × 139,439.78
  4. Step 4: Simplify right side
    252,617.06x = 48,610,309,471.07
  5. Step 5: Solve for x
    x = 48,610,309,471.07/252,617.06
  6. Step 6: Final answer
    x = 192,426.87

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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.