Home / 131,696.46-181,739.73-71,265.78

Finding the Fourth Proportional to 131,696.46, 181,739.73 and 71,265.78

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Solution

The fourth proportional to 131,696.46, 181,739.73 and 71,265.78 is: 98,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,696.46 : 181,739.73 = 71,265.78 : x
  2. Step 2: Convert to fraction form
    131,696.46/181,739.73 = 71,265.78/x
  3. Step 3: Cross multiply
    131,696.46x = 181,739.73 × 71,265.78
  4. Step 4: Simplify right side
    131,696.46x = 12,951,823,615.44
  5. Step 5: Solve for x
    x = 12,951,823,615.44/131,696.46
  6. Step 6: Final answer
    x = 98,346.03

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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.