Home / 135,549.33-187,058.46-75,120.94

Finding the Fourth Proportional to 135,549.33, 187,058.46 and 75,120.94

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Solution

The fourth proportional to 135,549.33, 187,058.46 and 75,120.94 is: 103,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,549.33 : 187,058.46 = 75,120.94 : x
  2. Step 2: Convert to fraction form
    135,549.33/187,058.46 = 75,120.94/x
  3. Step 3: Cross multiply
    135,549.33x = 187,058.46 × 75,120.94
  4. Step 4: Simplify right side
    135,549.33x = 14,052,007,350.15
  5. Step 5: Solve for x
    x = 14,052,007,350.15/135,549.33
  6. Step 6: Final answer
    x = 103,667.11

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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.