Home / 135,564.96-187,079.74-75,134.46

Finding the Fourth Proportional to 135,564.96, 187,079.74 and 75,134.46

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Solution

The fourth proportional to 135,564.96, 187,079.74 and 75,134.46 is: 103,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,564.96 : 187,079.74 = 75,134.46 : x
  2. Step 2: Convert to fraction form
    135,564.96/187,079.74 = 75,134.46/x
  3. Step 3: Cross multiply
    135,564.96x = 187,079.74 × 75,134.46
  4. Step 4: Simplify right side
    135,564.96x = 14,056,135,241.84
  5. Step 5: Solve for x
    x = 14,056,135,241.84/135,564.96
  6. Step 6: Final answer
    x = 103,685.61

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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.