Home / 135,046.92-186,375.66-74,622.86

Finding the Fourth Proportional to 135,046.92, 186,375.66 and 74,622.86

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Solution

The fourth proportional to 135,046.92, 186,375.66 and 74,622.86 is: 102,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,046.92 : 186,375.66 = 74,622.86 : x
  2. Step 2: Convert to fraction form
    135,046.92/186,375.66 = 74,622.86/x
  3. Step 3: Cross multiply
    135,046.92x = 186,375.66 × 74,622.86
  4. Step 4: Simplify right side
    135,046.92x = 13,907,884,783.59
  5. Step 5: Solve for x
    x = 13,907,884,783.59/135,046.92
  6. Step 6: Final answer
    x = 102,985.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.