Home / 135,603.27-187,115.22-75,173.37

Finding the Fourth Proportional to 135,603.27, 187,115.22 and 75,173.37

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Solution

The fourth proportional to 135,603.27, 187,115.22 and 75,173.37 is: 103,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,603.27 : 187,115.22 = 75,173.37 : x
  2. Step 2: Convert to fraction form
    135,603.27/187,115.22 = 75,173.37/x
  3. Step 3: Cross multiply
    135,603.27x = 187,115.22 × 75,173.37
  4. Step 4: Simplify right side
    135,603.27x = 14,066,081,665.69
  5. Step 5: Solve for x
    x = 14,066,081,665.69/135,603.27
  6. Step 6: Final answer
    x = 103,729.66

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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.