Home / 131,164.32-196,758.96-52,260.64

Finding the Fourth Proportional to 131,164.32, 196,758.96 and 52,260.64

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Solution

The fourth proportional to 131,164.32, 196,758.96 and 52,260.64 is: 78,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,164.32 : 196,758.96 = 52,260.64 : x
  2. Step 2: Convert to fraction form
    131,164.32/196,758.96 = 52,260.64/x
  3. Step 3: Cross multiply
    131,164.32x = 196,758.96 × 52,260.64
  4. Step 4: Simplify right side
    131,164.32x = 10,282,749,175.33
  5. Step 5: Solve for x
    x = 10,282,749,175.33/131,164.32
  6. Step 6: Final answer
    x = 78,395.93

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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.