Home / 250,616.28-345,850.92-137,439.84

Finding the Fourth Proportional to 250,616.28, 345,850.92 and 137,439.84

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Solution

The fourth proportional to 250,616.28, 345,850.92 and 137,439.84 is: 189,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,616.28 : 345,850.92 = 137,439.84 : x
  2. Step 2: Convert to fraction form
    250,616.28/345,850.92 = 137,439.84/x
  3. Step 3: Cross multiply
    250,616.28x = 345,850.92 × 137,439.84
  4. Step 4: Simplify right side
    250,616.28x = 47,533,695,108.65
  5. Step 5: Solve for x
    x = 47,533,695,108.65/250,616.28
  6. Step 6: Final answer
    x = 189,667.23

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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.