Home / 135,850.32-187,441.56-79,241.04

Finding the Fourth Proportional to 135,850.32, 187,441.56 and 79,241.04

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Solution

The fourth proportional to 135,850.32, 187,441.56 and 79,241.04 is: 109,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,850.32 : 187,441.56 = 79,241.04 : x
  2. Step 2: Convert to fraction form
    135,850.32/187,441.56 = 79,241.04/x
  3. Step 3: Cross multiply
    135,850.32x = 187,441.56 × 79,241.04
  4. Step 4: Simplify right side
    135,850.32x = 14,853,064,153.62
  5. Step 5: Solve for x
    x = 14,853,064,153.62/135,850.32
  6. Step 6: Final answer
    x = 109,334.04

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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.