Home / 100,656.45-151,003.73-33,192.36

Finding the Fourth Proportional to 100,656.45, 151,003.73 and 33,192.36

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Solution

The fourth proportional to 100,656.45, 151,003.73 and 33,192.36 is: 49,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,656.45 : 151,003.73 = 33,192.36 : x
  2. Step 2: Convert to fraction form
    100,656.45/151,003.73 = 33,192.36/x
  3. Step 3: Cross multiply
    100,656.45x = 151,003.73 × 33,192.36
  4. Step 4: Simplify right side
    100,656.45x = 5,012,170,001.54
  5. Step 5: Solve for x
    x = 5,012,170,001.54/100,656.45
  6. Step 6: Final answer
    x = 49,794.82

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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.