Home / 135,944.60-187,609.94-75,515.36

Finding the Fourth Proportional to 135,944.60, 187,609.94 and 75,515.36

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Solution

The fourth proportional to 135,944.60, 187,609.94 and 75,515.36 is: 104,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,944.60 : 187,609.94 = 75,515.36 : x
  2. Step 2: Convert to fraction form
    135,944.60/187,609.94 = 75,515.36/x
  3. Step 3: Cross multiply
    135,944.60x = 187,609.94 × 75,515.36
  4. Step 4: Simplify right side
    135,944.60x = 14,167,432,158.68
  5. Step 5: Solve for x
    x = 14,167,432,158.68/135,944.60
  6. Step 6: Final answer
    x = 104,214.75

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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.