Home / 228,849.24-315,821.94-126,868.21

Finding the Fourth Proportional to 228,849.24, 315,821.94 and 126,868.21

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Solution

The fourth proportional to 228,849.24, 315,821.94 and 126,868.21 is: 175,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,849.24 : 315,821.94 = 126,868.21 : x
  2. Step 2: Convert to fraction form
    228,849.24/315,821.94 = 126,868.21/x
  3. Step 3: Cross multiply
    228,849.24x = 315,821.94 × 126,868.21
  4. Step 4: Simplify right side
    228,849.24x = 40,067,764,273.59
  5. Step 5: Solve for x
    x = 40,067,764,273.59/228,849.24
  6. Step 6: Final answer
    x = 175,083.67

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1.5x scale

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.