Home / 248,861.14-343,435.89-135,685.78

Finding the Fourth Proportional to 248,861.14, 343,435.89 and 135,685.78

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Solution

The fourth proportional to 248,861.14, 343,435.89 and 135,685.78 is: 187,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,861.14 : 343,435.89 = 135,685.78 : x
  2. Step 2: Convert to fraction form
    248,861.14/343,435.89 = 135,685.78/x
  3. Step 3: Cross multiply
    248,861.14x = 343,435.89 × 135,685.78
  4. Step 4: Simplify right side
    248,861.14x = 46,599,366,614.64
  5. Step 5: Solve for x
    x = 46,599,366,614.64/248,861.14
  6. Step 6: Final answer
    x = 187,250.47

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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.