Home / 112,311.97-154,989.33-61,324.54

Finding the Fourth Proportional to 112,311.97, 154,989.33 and 61,324.54

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Solution

The fourth proportional to 112,311.97, 154,989.33 and 61,324.54 is: 84,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,311.97 : 154,989.33 = 61,324.54 : x
  2. Step 2: Convert to fraction form
    112,311.97/154,989.33 = 61,324.54/x
  3. Step 3: Cross multiply
    112,311.97x = 154,989.33 × 61,324.54
  4. Step 4: Simplify right side
    112,311.97x = 9,504,649,367.16
  5. Step 5: Solve for x
    x = 9,504,649,367.16/112,311.97
  6. Step 6: Final answer
    x = 84,627.22

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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.