Home / 126,614.16-189,949.32-47,729.07

Finding the Fourth Proportional to 126,614.16, 189,949.32 and 47,729.07

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Solution

The fourth proportional to 126,614.16, 189,949.32 and 47,729.07 is: 71,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.16 : 189,949.32 = 47,729.07 : x
  2. Step 2: Convert to fraction form
    126,614.16/189,949.32 = 47,729.07/x
  3. Step 3: Cross multiply
    126,614.16x = 189,949.32 × 47,729.07
  4. Step 4: Simplify right side
    126,614.16x = 9,066,104,390.73
  5. Step 5: Solve for x
    x = 9,066,104,390.73/126,614.16
  6. Step 6: Final answer
    x = 71,604.19

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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.