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Finding the Fourth Proportional to 146,391.76, 202,010.04 and 80,977.82

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Solution

The fourth proportional to 146,391.76, 202,010.04 and 80,977.82 is: 111,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,391.76 : 202,010.04 = 80,977.82 : x
  2. Step 2: Convert to fraction form
    146,391.76/202,010.04 = 80,977.82/x
  3. Step 3: Cross multiply
    146,391.76x = 202,010.04 × 80,977.82
  4. Step 4: Simplify right side
    146,391.76x = 16,358,332,657.31
  5. Step 5: Solve for x
    x = 16,358,332,657.31/146,391.76
  6. Step 6: Final answer
    x = 111,743.53

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1.5x scale

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.