Home / 112,311.92-154,989.27-61,324.49

Finding the Fourth Proportional to 112,311.92, 154,989.27 and 61,324.49

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Solution

The fourth proportional to 112,311.92, 154,989.27 and 61,324.49 is: 84,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,311.92 : 154,989.27 = 61,324.49 : x
  2. Step 2: Convert to fraction form
    112,311.92/154,989.27 = 61,324.49/x
  3. Step 3: Cross multiply
    112,311.92x = 154,989.27 × 61,324.49
  4. Step 4: Simplify right side
    112,311.92x = 9,504,638,325.70
  5. Step 5: Solve for x
    x = 9,504,638,325.70/112,311.92
  6. Step 6: Final answer
    x = 84,627.15

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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.