Home / 173,144.26-238,871.20-100,534.75

Finding the Fourth Proportional to 173,144.26, 238,871.20 and 100,534.75

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Solution

The fourth proportional to 173,144.26, 238,871.20 and 100,534.75 is: 138,698.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,144.26 : 238,871.20 = 100,534.75 : x
  2. Step 2: Convert to fraction form
    173,144.26/238,871.20 = 100,534.75/x
  3. Step 3: Cross multiply
    173,144.26x = 238,871.20 × 100,534.75
  4. Step 4: Simplify right side
    173,144.26x = 24,014,856,374.20
  5. Step 5: Solve for x
    x = 24,014,856,374.20/173,144.26
  6. Step 6: Final answer
    x = 138,698.54

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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.