Home / 131,512.32-197,317.62-68,292.90

Finding the Fourth Proportional to 131,512.32, 197,317.62 and 68,292.90

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Solution

The fourth proportional to 131,512.32, 197,317.62 and 68,292.90 is: 102,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.32 : 197,317.62 = 68,292.90 : x
  2. Step 2: Convert to fraction form
    131,512.32/197,317.62 = 68,292.90/x
  3. Step 3: Cross multiply
    131,512.32x = 197,317.62 × 68,292.90
  4. Step 4: Simplify right side
    131,512.32x = 13,475,392,490.90
  5. Step 5: Solve for x
    x = 13,475,392,490.90/131,512.32
  6. Step 6: Final answer
    x = 102,464.87

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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.