Home / 252,839.64-348,912.02-139,659.96

Finding the Fourth Proportional to 252,839.64, 348,912.02 and 139,659.96

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Solution

The fourth proportional to 252,839.64, 348,912.02 and 139,659.96 is: 192,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,839.64 : 348,912.02 = 139,659.96 : x
  2. Step 2: Convert to fraction form
    252,839.64/348,912.02 = 139,659.96/x
  3. Step 3: Cross multiply
    252,839.64x = 348,912.02 × 139,659.96
  4. Step 4: Simplify right side
    252,839.64x = 48,729,038,756.72
  5. Step 5: Solve for x
    x = 48,729,038,756.72/252,839.64
  6. Step 6: Final answer
    x = 192,727.05

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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.