Home / 250,276.88-345,378.66-137,100.44

Finding the Fourth Proportional to 250,276.88, 345,378.66 and 137,100.44

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Solution

The fourth proportional to 250,276.88, 345,378.66 and 137,100.44 is: 189,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,276.88 : 345,378.66 = 137,100.44 : x
  2. Step 2: Convert to fraction form
    250,276.88/345,378.66 = 137,100.44/x
  3. Step 3: Cross multiply
    250,276.88x = 345,378.66 × 137,100.44
  4. Step 4: Simplify right side
    250,276.88x = 47,351,566,252.61
  5. Step 5: Solve for x
    x = 47,351,566,252.61/250,276.88
  6. Step 6: Final answer
    x = 189,196.73

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1.5x scale

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.