Home / 131,926.72-197,870.98-43,183.76

Finding the Fourth Proportional to 131,926.72, 197,870.98 and 43,183.76

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Solution

The fourth proportional to 131,926.72, 197,870.98 and 43,183.76 is: 64,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926.72 : 197,870.98 = 43,183.76 : x
  2. Step 2: Convert to fraction form
    131,926.72/197,870.98 = 43,183.76/x
  3. Step 3: Cross multiply
    131,926.72x = 197,870.98 × 43,183.76
  4. Step 4: Simplify right side
    131,926.72x = 8,544,812,911.28
  5. Step 5: Solve for x
    x = 8,544,812,911.28/131,926.72
  6. Step 6: Final answer
    x = 64,769.39

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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.