Home / 114,928.47-158,500.33-80,455.54

Finding the Fourth Proportional to 114,928.47, 158,500.33 and 80,455.54

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Solution

The fourth proportional to 114,928.47, 158,500.33 and 80,455.54 is: 110,957.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,928.47 : 158,500.33 = 80,455.54 : x
  2. Step 2: Convert to fraction form
    114,928.47/158,500.33 = 80,455.54/x
  3. Step 3: Cross multiply
    114,928.47x = 158,500.33 × 80,455.54
  4. Step 4: Simplify right side
    114,928.47x = 12,752,229,640.33
  5. Step 5: Solve for x
    x = 12,752,229,640.33/114,928.47
  6. Step 6: Final answer
    x = 110,957.97

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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.