Home / 131,383.80-181,309.61-70,954.43

Finding the Fourth Proportional to 131,383.80, 181,309.61 and 70,954.43

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Solution

The fourth proportional to 131,383.80, 181,309.61 and 70,954.43 is: 97,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,383.80 : 181,309.61 = 70,954.43 : x
  2. Step 2: Convert to fraction form
    131,383.80/181,309.61 = 70,954.43/x
  3. Step 3: Cross multiply
    131,383.80x = 181,309.61 × 70,954.43
  4. Step 4: Simplify right side
    131,383.80x = 12,864,718,902.79
  5. Step 5: Solve for x
    x = 12,864,718,902.79/131,383.80
  6. Step 6: Final answer
    x = 97,917.09

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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.