Home / 131,456.44-197,164.86-48,331

Finding the Fourth Proportional to 131,456.44, 197,164.86 and 48,331

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Solution

The fourth proportional to 131,456.44, 197,164.86 and 48,331 is: 72,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,456.44 : 197,164.86 = 48,331 : x
  2. Step 2: Convert to fraction form
    131,456.44/197,164.86 = 48,331/x
  3. Step 3: Cross multiply
    131,456.44x = 197,164.86 × 48,331
  4. Step 4: Simplify right side
    131,456.44x = 9,529,174,848.66
  5. Step 5: Solve for x
    x = 9,529,174,848.66/131,456.44
  6. Step 6: Final answer
    x = 72,489.22

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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.