Home / 131,394.78-197,105.91-60,305.28

Finding the Fourth Proportional to 131,394.78, 197,105.91 and 60,305.28

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Solution

The fourth proportional to 131,394.78, 197,105.91 and 60,305.28 is: 90,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394.78 : 197,105.91 = 60,305.28 : x
  2. Step 2: Convert to fraction form
    131,394.78/197,105.91 = 60,305.28/x
  3. Step 3: Cross multiply
    131,394.78x = 197,105.91 × 60,305.28
  4. Step 4: Simplify right side
    131,394.78x = 11,886,527,318.35
  5. Step 5: Solve for x
    x = 11,886,527,318.35/131,394.78
  6. Step 6: Final answer
    x = 90,464.23

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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.