Home / 250,621.28-345,857.82-137,444.84

Finding the Fourth Proportional to 250,621.28, 345,857.82 and 137,444.84

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Solution

The fourth proportional to 250,621.28, 345,857.82 and 137,444.84 is: 189,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,621.28 : 345,857.82 = 137,444.84 : x
  2. Step 2: Convert to fraction form
    250,621.28/345,857.82 = 137,444.84/x
  3. Step 3: Cross multiply
    250,621.28x = 345,857.82 × 137,444.84
  4. Step 4: Simplify right side
    250,621.28x = 47,536,372,732.65
  5. Step 5: Solve for x
    x = 47,536,372,732.65/250,621.28
  6. Step 6: Final answer
    x = 189,674.13

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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.