Home / 132,628.14-198,942.09-39,126.54

Finding the Fourth Proportional to 132,628.14, 198,942.09 and 39,126.54

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Solution

The fourth proportional to 132,628.14, 198,942.09 and 39,126.54 is: 58,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.14 : 198,942.09 = 39,126.54 : x
  2. Step 2: Convert to fraction form
    132,628.14/198,942.09 = 39,126.54/x
  3. Step 3: Cross multiply
    132,628.14x = 198,942.09 × 39,126.54
  4. Step 4: Simplify right side
    132,628.14x = 7,783,915,642.07
  5. Step 5: Solve for x
    x = 7,783,915,642.07/132,628.14
  6. Step 6: Final answer
    x = 58,689.77

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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.