Home / 131,162.08-196,688.80-41,174.72

Finding the Fourth Proportional to 131,162.08, 196,688.80 and 41,174.72

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Solution

The fourth proportional to 131,162.08, 196,688.80 and 41,174.72 is: 61,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,162.08 : 196,688.80 = 41,174.72 : x
  2. Step 2: Convert to fraction form
    131,162.08/196,688.80 = 41,174.72/x
  3. Step 3: Cross multiply
    131,162.08x = 196,688.80 × 41,174.72
  4. Step 4: Simplify right side
    131,162.08x = 8,098,606,267.14
  5. Step 5: Solve for x
    x = 8,098,606,267.14/131,162.08
  6. Step 6: Final answer
    x = 61,745.03

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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.