Home / 135,608.15-187,150.29-75,197.73

Finding the Fourth Proportional to 135,608.15, 187,150.29 and 75,197.73

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Solution

The fourth proportional to 135,608.15, 187,150.29 and 75,197.73 is: 103,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,608.15 : 187,150.29 = 75,197.73 : x
  2. Step 2: Convert to fraction form
    135,608.15/187,150.29 = 75,197.73/x
  3. Step 3: Cross multiply
    135,608.15x = 187,150.29 × 75,197.73
  4. Step 4: Simplify right side
    135,608.15x = 14,073,276,976.84
  5. Step 5: Solve for x
    x = 14,073,276,976.84/135,608.15
  6. Step 6: Final answer
    x = 103,778.99

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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.