Home / 250,716.88-345,998.28-137,542.96

Finding the Fourth Proportional to 250,716.88, 345,998.28 and 137,542.96

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Solution

The fourth proportional to 250,716.88, 345,998.28 and 137,542.96 is: 189,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,716.88 : 345,998.28 = 137,542.96 : x
  2. Step 2: Convert to fraction form
    250,716.88/345,998.28 = 137,542.96/x
  3. Step 3: Cross multiply
    250,716.88x = 345,998.28 × 137,542.96
  4. Step 4: Simplify right side
    250,716.88x = 47,589,627,586.11
  5. Step 5: Solve for x
    x = 47,589,627,586.11/250,716.88
  6. Step 6: Final answer
    x = 189,814.21

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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.