Home / 131,318.52-196,961.34-36,555.81

Finding the Fourth Proportional to 131,318.52, 196,961.34 and 36,555.81

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Solution

The fourth proportional to 131,318.52, 196,961.34 and 36,555.81 is: 54,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,318.52 : 196,961.34 = 36,555.81 : x
  2. Step 2: Convert to fraction form
    131,318.52/196,961.34 = 36,555.81/x
  3. Step 3: Cross multiply
    131,318.52x = 196,961.34 × 36,555.81
  4. Step 4: Simplify right side
    131,318.52x = 7,200,081,322.39
  5. Step 5: Solve for x
    x = 7,200,081,322.39/131,318.52
  6. Step 6: Final answer
    x = 54,829.14

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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.