Home / 250,286.46-345,403.92-137,109.18

Finding the Fourth Proportional to 250,286.46, 345,403.92 and 137,109.18

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Solution

The fourth proportional to 250,286.46, 345,403.92 and 137,109.18 is: 189,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.46 : 345,403.92 = 137,109.18 : x
  2. Step 2: Convert to fraction form
    250,286.46/345,403.92 = 137,109.18/x
  3. Step 3: Cross multiply
    250,286.46x = 345,403.92 × 137,109.18
  4. Step 4: Simplify right side
    250,286.46x = 47,358,048,239.99
  5. Step 5: Solve for x
    x = 47,358,048,239.99/250,286.46
  6. Step 6: Final answer
    x = 189,215.38

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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.