Home / 135,817.07-187,427.24-75,388.44

Finding the Fourth Proportional to 135,817.07, 187,427.24 and 75,388.44

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Solution

The fourth proportional to 135,817.07, 187,427.24 and 75,388.44 is: 104,035.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,817.07 : 187,427.24 = 75,388.44 : x
  2. Step 2: Convert to fraction form
    135,817.07/187,427.24 = 75,388.44/x
  3. Step 3: Cross multiply
    135,817.07x = 187,427.24 × 75,388.44
  4. Step 4: Simplify right side
    135,817.07x = 14,129,846,860.16
  5. Step 5: Solve for x
    x = 14,129,846,860.16/135,817.07
  6. Step 6: Final answer
    x = 104,035.87

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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.