Home / 111,942.44-168,003.57-55,780.28

Finding the Fourth Proportional to 111,942.44, 168,003.57 and 55,780.28

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Solution

The fourth proportional to 111,942.44, 168,003.57 and 55,780.28 is: 83,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,942.44 : 168,003.57 = 55,780.28 : x
  2. Step 2: Convert to fraction form
    111,942.44/168,003.57 = 55,780.28/x
  3. Step 3: Cross multiply
    111,942.44x = 168,003.57 × 55,780.28
  4. Step 4: Simplify right side
    111,942.44x = 9,371,286,175.60
  5. Step 5: Solve for x
    x = 9,371,286,175.60/111,942.44
  6. Step 6: Final answer
    x = 83,715.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.