Home / 135,644.26-187,188.32-75,223.83

Finding the Fourth Proportional to 135,644.26, 187,188.32 and 75,223.83

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Solution

The fourth proportional to 135,644.26, 187,188.32 and 75,223.83 is: 103,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,644.26 : 187,188.32 = 75,223.83 : x
  2. Step 2: Convert to fraction form
    135,644.26/187,188.32 = 75,223.83/x
  3. Step 3: Cross multiply
    135,644.26x = 187,188.32 × 75,223.83
  4. Step 4: Simplify right side
    135,644.26x = 14,081,022,361.67
  5. Step 5: Solve for x
    x = 14,081,022,361.67/135,644.26
  6. Step 6: Final answer
    x = 103,808.46

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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.