Home / 192,118.88-287,944.86-135,975.32

Finding the Fourth Proportional to 192,118.88, 287,944.86 and 135,975.32

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Solution

The fourth proportional to 192,118.88, 287,944.86 and 135,975.32 is: 203,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,118.88 : 287,944.86 = 135,975.32 : x
  2. Step 2: Convert to fraction form
    192,118.88/287,944.86 = 135,975.32/x
  3. Step 3: Cross multiply
    192,118.88x = 287,944.86 × 135,975.32
  4. Step 4: Simplify right side
    192,118.88x = 39,153,394,480.86
  5. Step 5: Solve for x
    x = 39,153,394,480.86/192,118.88
  6. Step 6: Final answer
    x = 203,797.74

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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.