Home / 148,102.09-204,380.26-80,118.91

Finding the Fourth Proportional to 148,102.09, 204,380.26 and 80,118.91

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Solution

The fourth proportional to 148,102.09, 204,380.26 and 80,118.91 is: 110,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,102.09 : 204,380.26 = 80,118.91 : x
  2. Step 2: Convert to fraction form
    148,102.09/204,380.26 = 80,118.91/x
  3. Step 3: Cross multiply
    148,102.09x = 204,380.26 × 80,118.91
  4. Step 4: Simplify right side
    148,102.09x = 16,374,723,656.72
  5. Step 5: Solve for x
    x = 16,374,723,656.72/148,102.09
  6. Step 6: Final answer
    x = 110,563.76

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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.