Home / 101,169.12-151,753.57-30,091.47

Finding the Fourth Proportional to 101,169.12, 151,753.57 and 30,091.47

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Solution

The fourth proportional to 101,169.12, 151,753.57 and 30,091.47 is: 45,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,169.12 : 151,753.57 = 30,091.47 : x
  2. Step 2: Convert to fraction form
    101,169.12/151,753.57 = 30,091.47/x
  3. Step 3: Cross multiply
    101,169.12x = 151,753.57 × 30,091.47
  4. Step 4: Simplify right side
    101,169.12x = 4,566,487,999.05
  5. Step 5: Solve for x
    x = 4,566,487,999.05/101,169.12
  6. Step 6: Final answer
    x = 45,137.17

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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.