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Finding the Fourth Proportional to 192,125.57, 288,202.17 and 73,796.91

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Solution

The fourth proportional to 192,125.57, 288,202.17 and 73,796.91 is: 110,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,125.57 : 288,202.17 = 73,796.91 : x
  2. Step 2: Convert to fraction form
    192,125.57/288,202.17 = 73,796.91/x
  3. Step 3: Cross multiply
    192,125.57x = 288,202.17 × 73,796.91
  4. Step 4: Simplify right side
    192,125.57x = 21,268,429,601.29
  5. Step 5: Solve for x
    x = 21,268,429,601.29/192,125.57
  6. Step 6: Final answer
    x = 110,700.67

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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.