Home / 136,067.27-187,775.07-74,816.05

Finding the Fourth Proportional to 136,067.27, 187,775.07 and 74,816.05

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Solution

The fourth proportional to 136,067.27, 187,775.07 and 74,816.05 is: 103,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067.27 : 187,775.07 = 74,816.05 : x
  2. Step 2: Convert to fraction form
    136,067.27/187,775.07 = 74,816.05/x
  3. Step 3: Cross multiply
    136,067.27x = 187,775.07 × 74,816.05
  4. Step 4: Simplify right side
    136,067.27x = 14,048,588,556.44
  5. Step 5: Solve for x
    x = 14,048,588,556.44/136,067.27
  6. Step 6: Final answer
    x = 103,247.37

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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.