Home / 147,391.50-203,401.71-80,324.94

Finding the Fourth Proportional to 147,391.50, 203,401.71 and 80,324.94

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Solution

The fourth proportional to 147,391.50, 203,401.71 and 80,324.94 is: 110,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391.50 : 203,401.71 = 80,324.94 : x
  2. Step 2: Convert to fraction form
    147,391.50/203,401.71 = 80,324.94/x
  3. Step 3: Cross multiply
    147,391.50x = 203,401.71 × 80,324.94
  4. Step 4: Simplify right side
    147,391.50x = 16,338,230,151.65
  5. Step 5: Solve for x
    x = 16,338,230,151.65/147,391.50
  6. Step 6: Final answer
    x = 110,849.20

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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.