Home / 250,242.21-345,334.57-135,521.04

Finding the Fourth Proportional to 250,242.21, 345,334.57 and 135,521.04

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Solution

The fourth proportional to 250,242.21, 345,334.57 and 135,521.04 is: 187,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,242.21 : 345,334.57 = 135,521.04 : x
  2. Step 2: Convert to fraction form
    250,242.21/345,334.57 = 135,521.04/x
  3. Step 3: Cross multiply
    250,242.21x = 345,334.57 × 135,521.04
  4. Step 4: Simplify right side
    250,242.21x = 46,800,100,074.35
  5. Step 5: Solve for x
    x = 46,800,100,074.35/250,242.21
  6. Step 6: Final answer
    x = 187,019.21

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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.