Home / 250,313.43-345,441.33-137,136.18

Finding the Fourth Proportional to 250,313.43, 345,441.33 and 137,136.18

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Solution

The fourth proportional to 250,313.43, 345,441.33 and 137,136.18 is: 189,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,313.43 : 345,441.33 = 137,136.18 : x
  2. Step 2: Convert to fraction form
    250,313.43/345,441.33 = 137,136.18/x
  3. Step 3: Cross multiply
    250,313.43x = 345,441.33 × 137,136.18
  4. Step 4: Simplify right side
    250,313.43x = 47,372,504,410.32
  5. Step 5: Solve for x
    x = 47,372,504,410.32/250,313.43
  6. Step 6: Final answer
    x = 189,252.75

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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.