Home / 101,223.86-151,837.59-31,103.78

Finding the Fourth Proportional to 101,223.86, 151,837.59 and 31,103.78

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Solution

The fourth proportional to 101,223.86, 151,837.59 and 31,103.78 is: 46,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,223.86 : 151,837.59 = 31,103.78 : x
  2. Step 2: Convert to fraction form
    101,223.86/151,837.59 = 31,103.78/x
  3. Step 3: Cross multiply
    101,223.86x = 151,837.59 × 31,103.78
  4. Step 4: Simplify right side
    101,223.86x = 4,722,722,995.09
  5. Step 5: Solve for x
    x = 4,722,722,995.09/101,223.86
  6. Step 6: Final answer
    x = 46,656.22

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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.