Home / 192,228.72-288,157.88-129,066.12

Finding the Fourth Proportional to 192,228.72, 288,157.88 and 129,066.12

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Solution

The fourth proportional to 192,228.72, 288,157.88 and 129,066.12 is: 193,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,228.72 : 288,157.88 = 129,066.12 : x
  2. Step 2: Convert to fraction form
    192,228.72/288,157.88 = 129,066.12/x
  3. Step 3: Cross multiply
    192,228.72x = 288,157.88 × 129,066.12
  4. Step 4: Simplify right side
    192,228.72x = 37,191,419,519.03
  5. Step 5: Solve for x
    x = 37,191,419,519.03/192,228.72
  6. Step 6: Final answer
    x = 193,474.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.