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Finding the Fourth Proportional to 135,958.33, 187,619.12 and 75,529.12

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Solution

The fourth proportional to 135,958.33, 187,619.12 and 75,529.12 is: 104,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,958.33 : 187,619.12 = 75,529.12 : x
  2. Step 2: Convert to fraction form
    135,958.33/187,619.12 = 75,529.12/x
  3. Step 3: Cross multiply
    135,958.33x = 187,619.12 × 75,529.12
  4. Step 4: Simplify right side
    135,958.33x = 14,170,706,748.55
  5. Step 5: Solve for x
    x = 14,170,706,748.55/135,958.33
  6. Step 6: Final answer
    x = 104,228.31

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1.5x scale

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.