Home / 135,944.37-187,600.73-75,512.61

Finding the Fourth Proportional to 135,944.37, 187,600.73 and 75,512.61

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Solution

The fourth proportional to 135,944.37, 187,600.73 and 75,512.61 is: 104,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.37 : 187,600.73 = 75,512.61 : x
  2. Step 2: Convert to fraction form
    135,944.37/187,600.73 = 75,512.61/x
  3. Step 3: Cross multiply
    135,944.37x = 187,600.73 × 75,512.61
  4. Step 4: Simplify right side
    135,944.37x = 14,166,220,382.64
  5. Step 5: Solve for x
    x = 14,166,220,382.64/135,944.37
  6. Step 6: Final answer
    x = 104,206.01

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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.