Home / 131,539.39-197,247.73-68,342.51

Finding the Fourth Proportional to 131,539.39, 197,247.73 and 68,342.51

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Solution

The fourth proportional to 131,539.39, 197,247.73 and 68,342.51 is: 102,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,539.39 : 197,247.73 = 68,342.51 : x
  2. Step 2: Convert to fraction form
    131,539.39/197,247.73 = 68,342.51/x
  3. Step 3: Cross multiply
    131,539.39x = 197,247.73 × 68,342.51
  4. Step 4: Simplify right side
    131,539.39x = 13,480,404,960.00
  5. Step 5: Solve for x
    x = 13,480,404,960.00/131,539.39
  6. Step 6: Final answer
    x = 102,481.89

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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.