Home / 135,690.42-187,245.14-75,256.73

Finding the Fourth Proportional to 135,690.42, 187,245.14 and 75,256.73

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Solution

The fourth proportional to 135,690.42, 187,245.14 and 75,256.73 is: 103,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,690.42 : 187,245.14 = 75,256.73 : x
  2. Step 2: Convert to fraction form
    135,690.42/187,245.14 = 75,256.73/x
  3. Step 3: Cross multiply
    135,690.42x = 187,245.14 × 75,256.73
  4. Step 4: Simplify right side
    135,690.42x = 14,091,455,632.28
  5. Step 5: Solve for x
    x = 14,091,455,632.28/135,690.42
  6. Step 6: Final answer
    x = 103,850.04

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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.