Home / 136,631.44-204,976.32-47,890.36

Finding the Fourth Proportional to 136,631.44, 204,976.32 and 47,890.36

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Solution

The fourth proportional to 136,631.44, 204,976.32 and 47,890.36 is: 71,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,631.44 : 204,976.32 = 47,890.36 : x
  2. Step 2: Convert to fraction form
    136,631.44/204,976.32 = 47,890.36/x
  3. Step 3: Cross multiply
    136,631.44x = 204,976.32 × 47,890.36
  4. Step 4: Simplify right side
    136,631.44x = 9,816,389,756.28
  5. Step 5: Solve for x
    x = 9,816,389,756.28/136,631.44
  6. Step 6: Final answer
    x = 71,845.76

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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.