Home / 101,268.36-151,919.01-31,147.74

Finding the Fourth Proportional to 101,268.36, 151,919.01 and 31,147.74

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Solution

The fourth proportional to 101,268.36, 151,919.01 and 31,147.74 is: 46,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,268.36 : 151,919.01 = 31,147.74 : x
  2. Step 2: Convert to fraction form
    101,268.36/151,919.01 = 31,147.74/x
  3. Step 3: Cross multiply
    101,268.36x = 151,919.01 × 31,147.74
  4. Step 4: Simplify right side
    101,268.36x = 4,731,933,824.54
  5. Step 5: Solve for x
    x = 4,731,933,824.54/101,268.36
  6. Step 6: Final answer
    x = 46,726.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.