Home / 135,540.24-187,049.63-75,105.23

Finding the Fourth Proportional to 135,540.24, 187,049.63 and 75,105.23

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Solution

The fourth proportional to 135,540.24, 187,049.63 and 75,105.23 is: 103,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,540.24 : 187,049.63 = 75,105.23 : x
  2. Step 2: Convert to fraction form
    135,540.24/187,049.63 = 75,105.23/x
  3. Step 3: Cross multiply
    135,540.24x = 187,049.63 × 75,105.23
  4. Step 4: Simplify right side
    135,540.24x = 14,048,405,482.56
  5. Step 5: Solve for x
    x = 14,048,405,482.56/135,540.24
  6. Step 6: Final answer
    x = 103,647.49

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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.