Home / 100,945.37-151,419.24-43,234.83

Finding the Fourth Proportional to 100,945.37, 151,419.24 and 43,234.83

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Solution

The fourth proportional to 100,945.37, 151,419.24 and 43,234.83 is: 64,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,945.37 : 151,419.24 = 43,234.83 : x
  2. Step 2: Convert to fraction form
    100,945.37/151,419.24 = 43,234.83/x
  3. Step 3: Cross multiply
    100,945.37x = 151,419.24 × 43,234.83
  4. Step 4: Simplify right side
    100,945.37x = 6,546,585,100.13
  5. Step 5: Solve for x
    x = 6,546,585,100.13/100,945.37
  6. Step 6: Final answer
    x = 64,852.75

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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.