Home / 135,744.81-187,327.62-75,324.66

Finding the Fourth Proportional to 135,744.81, 187,327.62 and 75,324.66

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Solution

The fourth proportional to 135,744.81, 187,327.62 and 75,324.66 is: 103,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,744.81 : 187,327.62 = 75,324.66 : x
  2. Step 2: Convert to fraction form
    135,744.81/187,327.62 = 75,324.66/x
  3. Step 3: Cross multiply
    135,744.81x = 187,327.62 × 75,324.66
  4. Step 4: Simplify right side
    135,744.81x = 14,110,389,285.11
  5. Step 5: Solve for x
    x = 14,110,389,285.11/135,744.81
  6. Step 6: Final answer
    x = 103,947.91

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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.