Home / 109,524.96-151,144.79-61,778.30

Finding the Fourth Proportional to 109,524.96, 151,144.79 and 61,778.30

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Solution

The fourth proportional to 109,524.96, 151,144.79 and 61,778.30 is: 85,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,524.96 : 151,144.79 = 61,778.30 : x
  2. Step 2: Convert to fraction form
    109,524.96/151,144.79 = 61,778.30/x
  3. Step 3: Cross multiply
    109,524.96x = 151,144.79 × 61,778.30
  4. Step 4: Simplify right side
    109,524.96x = 9,337,467,115.44
  5. Step 5: Solve for x
    x = 9,337,467,115.44/109,524.96
  6. Step 6: Final answer
    x = 85,254.24

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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.