Home / 115,358.85-172,902.60-52,105.14

Finding the Fourth Proportional to 115,358.85, 172,902.60 and 52,105.14

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Solution

The fourth proportional to 115,358.85, 172,902.60 and 52,105.14 is: 78,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358.85 : 172,902.60 = 52,105.14 : x
  2. Step 2: Convert to fraction form
    115,358.85/172,902.60 = 52,105.14/x
  3. Step 3: Cross multiply
    115,358.85x = 172,902.60 × 52,105.14
  4. Step 4: Simplify right side
    115,358.85x = 9,009,114,179.36
  5. Step 5: Solve for x
    x = 9,009,114,179.36/115,358.85
  6. Step 6: Final answer
    x = 78,096.43

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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.