Home / 250,281.20-345,396.68-137,103.95

Finding the Fourth Proportional to 250,281.20, 345,396.68 and 137,103.95

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Solution

The fourth proportional to 250,281.20, 345,396.68 and 137,103.95 is: 189,208.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,281.20 : 345,396.68 = 137,103.95 : x
  2. Step 2: Convert to fraction form
    250,281.20/345,396.68 = 137,103.95/x
  3. Step 3: Cross multiply
    250,281.20x = 345,396.68 × 137,103.95
  4. Step 4: Simplify right side
    250,281.20x = 47,355,246,732.38
  5. Step 5: Solve for x
    x = 47,355,246,732.38/250,281.20
  6. Step 6: Final answer
    x = 189,208.17

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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.