Home / 135,617.82-203,398.93-51,348.91

Finding the Fourth Proportional to 135,617.82, 203,398.93 and 51,348.91

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Solution

The fourth proportional to 135,617.82, 203,398.93 and 51,348.91 is: 77,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,617.82 : 203,398.93 = 51,348.91 : x
  2. Step 2: Convert to fraction form
    135,617.82/203,398.93 = 51,348.91/x
  3. Step 3: Cross multiply
    135,617.82x = 203,398.93 × 51,348.91
  4. Step 4: Simplify right side
    135,617.82x = 10,444,313,350.67
  5. Step 5: Solve for x
    x = 10,444,313,350.67/135,617.82
  6. Step 6: Final answer
    x = 77,012.84

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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.