Home / 101,185.26-151,764.04-30,118.86

Finding the Fourth Proportional to 101,185.26, 151,764.04 and 30,118.86

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Solution

The fourth proportional to 101,185.26, 151,764.04 and 30,118.86 is: 45,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,185.26 : 151,764.04 = 30,118.86 : x
  2. Step 2: Convert to fraction form
    101,185.26/151,764.04 = 30,118.86/x
  3. Step 3: Cross multiply
    101,185.26x = 151,764.04 × 30,118.86
  4. Step 4: Simplify right side
    101,185.26x = 4,570,960,190.04
  5. Step 5: Solve for x
    x = 4,570,960,190.04/101,185.26
  6. Step 6: Final answer
    x = 45,174.17

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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.