Home / 135,665.04-187,218.27-75,241.27

Finding the Fourth Proportional to 135,665.04, 187,218.27 and 75,241.27

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Solution

The fourth proportional to 135,665.04, 187,218.27 and 75,241.27 is: 103,833.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,665.04 : 187,218.27 = 75,241.27 : x
  2. Step 2: Convert to fraction form
    135,665.04/187,218.27 = 75,241.27/x
  3. Step 3: Cross multiply
    135,665.04x = 187,218.27 × 75,241.27
  4. Step 4: Simplify right side
    135,665.04x = 14,086,540,353.87
  5. Step 5: Solve for x
    x = 14,086,540,353.87/135,665.04
  6. Step 6: Final answer
    x = 103,833.23

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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.