Home / 150,793.25-208,105.40-99,717.28

Finding the Fourth Proportional to 150,793.25, 208,105.40 and 99,717.28

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Solution

The fourth proportional to 150,793.25, 208,105.40 and 99,717.28 is: 137,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,793.25 : 208,105.40 = 99,717.28 : x
  2. Step 2: Convert to fraction form
    150,793.25/208,105.40 = 99,717.28/x
  3. Step 3: Cross multiply
    150,793.25x = 208,105.40 × 99,717.28
  4. Step 4: Simplify right side
    150,793.25x = 20,751,704,170.34
  5. Step 5: Solve for x
    x = 20,751,704,170.34/150,793.25
  6. Step 6: Final answer
    x = 137,616.93

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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.