Home / 131,663.76-197,469.72-48,538.32

Finding the Fourth Proportional to 131,663.76, 197,469.72 and 48,538.32

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Solution

The fourth proportional to 131,663.76, 197,469.72 and 48,538.32 is: 72,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,663.76 : 197,469.72 = 48,538.32 : x
  2. Step 2: Convert to fraction form
    131,663.76/197,469.72 = 48,538.32/x
  3. Step 3: Cross multiply
    131,663.76x = 197,469.72 × 48,538.32
  4. Step 4: Simplify right side
    131,663.76x = 9,584,848,459.67
  5. Step 5: Solve for x
    x = 9,584,848,459.67/131,663.76
  6. Step 6: Final answer
    x = 72,797.92

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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.