Home / 135,725.85-203,490.36-91,242.27

Finding the Fourth Proportional to 135,725.85, 203,490.36 and 91,242.27

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Solution

The fourth proportional to 135,725.85, 203,490.36 and 91,242.27 is: 136,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.85 : 203,490.36 = 91,242.27 : x
  2. Step 2: Convert to fraction form
    135,725.85/203,490.36 = 91,242.27/x
  3. Step 3: Cross multiply
    135,725.85x = 203,490.36 × 91,242.27
  4. Step 4: Simplify right side
    135,725.85x = 18,566,922,369.52
  5. Step 5: Solve for x
    x = 18,566,922,369.52/135,725.85
  6. Step 6: Final answer
    x = 136,797.25

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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.