Home / 135,594.30-187,120.18-75,173.97

Finding the Fourth Proportional to 135,594.30, 187,120.18 and 75,173.97

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Solution

The fourth proportional to 135,594.30, 187,120.18 and 75,173.97 is: 103,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,594.30 : 187,120.18 = 75,173.97 : x
  2. Step 2: Convert to fraction form
    135,594.30/187,120.18 = 75,173.97/x
  3. Step 3: Cross multiply
    135,594.30x = 187,120.18 × 75,173.97
  4. Step 4: Simplify right side
    135,594.30x = 14,066,567,170.53
  5. Step 5: Solve for x
    x = 14,066,567,170.53/135,594.30
  6. Step 6: Final answer
    x = 103,740.10

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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.