Home / 148,103.32-204,381.62-80,120.02

Finding the Fourth Proportional to 148,103.32, 204,381.62 and 80,120.02

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Solution

The fourth proportional to 148,103.32, 204,381.62 and 80,120.02 is: 110,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,103.32 : 204,381.62 = 80,120.02 : x
  2. Step 2: Convert to fraction form
    148,103.32/204,381.62 = 80,120.02/x
  3. Step 3: Cross multiply
    148,103.32x = 204,381.62 × 80,120.02
  4. Step 4: Simplify right side
    148,103.32x = 16,375,058,460.12
  5. Step 5: Solve for x
    x = 16,375,058,460.12/148,103.32
  6. Step 6: Final answer
    x = 110,565.10

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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.