Home / 199,358.27-275,106.73-113,328.56

Finding the Fourth Proportional to 199,358.27, 275,106.73 and 113,328.56

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Solution

The fourth proportional to 199,358.27, 275,106.73 and 113,328.56 is: 156,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,358.27 : 275,106.73 = 113,328.56 : x
  2. Step 2: Convert to fraction form
    199,358.27/275,106.73 = 113,328.56/x
  3. Step 3: Cross multiply
    199,358.27x = 275,106.73 × 113,328.56
  4. Step 4: Simplify right side
    199,358.27x = 31,177,448,990.57
  5. Step 5: Solve for x
    x = 31,177,448,990.57/199,358.27
  6. Step 6: Final answer
    x = 156,389.04

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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.