Home / 111,771.36-154,308.24-74,096.64

Finding the Fourth Proportional to 111,771.36, 154,308.24 and 74,096.64

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Solution

The fourth proportional to 111,771.36, 154,308.24 and 74,096.64 is: 102,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,771.36 : 154,308.24 = 74,096.64 : x
  2. Step 2: Convert to fraction form
    111,771.36/154,308.24 = 74,096.64/x
  3. Step 3: Cross multiply
    111,771.36x = 154,308.24 × 74,096.64
  4. Step 4: Simplify right side
    111,771.36x = 11,433,722,108.31
  5. Step 5: Solve for x
    x = 11,433,722,108.31/111,771.36
  6. Step 6: Final answer
    x = 102,295.63

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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.