Home / 100,641.45-151,003.17-50,735.94

Finding the Fourth Proportional to 100,641.45, 151,003.17 and 50,735.94

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Solution

The fourth proportional to 100,641.45, 151,003.17 and 50,735.94 is: 76,124.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,641.45 : 151,003.17 = 50,735.94 : x
  2. Step 2: Convert to fraction form
    100,641.45/151,003.17 = 50,735.94/x
  3. Step 3: Cross multiply
    100,641.45x = 151,003.17 × 50,735.94
  4. Step 4: Simplify right side
    100,641.45x = 7,661,287,772.93
  5. Step 5: Solve for x
    x = 7,661,287,772.93/100,641.45
  6. Step 6: Final answer
    x = 76,124.58

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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.