Home / 131,336.48-196,996.62-52,393.88

Finding the Fourth Proportional to 131,336.48, 196,996.62 and 52,393.88

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Solution

The fourth proportional to 131,336.48, 196,996.62 and 52,393.88 is: 78,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,336.48 : 196,996.62 = 52,393.88 : x
  2. Step 2: Convert to fraction form
    131,336.48/196,996.62 = 52,393.88/x
  3. Step 3: Cross multiply
    131,336.48x = 196,996.62 × 52,393.88
  4. Step 4: Simplify right side
    131,336.48x = 10,321,417,268.69
  5. Step 5: Solve for x
    x = 10,321,417,268.69/131,336.48
  6. Step 6: Final answer
    x = 78,587.59

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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.