Home / 135,944.22-187,606.43-75,511.96

Finding the Fourth Proportional to 135,944.22, 187,606.43 and 75,511.96

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Solution

The fourth proportional to 135,944.22, 187,606.43 and 75,511.96 is: 104,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.22 : 187,606.43 = 75,511.96 : x
  2. Step 2: Convert to fraction form
    135,944.22/187,606.43 = 75,511.96/x
  3. Step 3: Cross multiply
    135,944.22x = 187,606.43 × 75,511.96
  4. Step 4: Simplify right side
    135,944.22x = 14,166,529,237.90
  5. Step 5: Solve for x
    x = 14,166,529,237.90/135,944.22
  6. Step 6: Final answer
    x = 104,208.40

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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.