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Finding the Fourth Proportional to 84,237.92, 116,199.60 and 54,429.92

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Solution

The fourth proportional to 84,237.92, 116,199.60 and 54,429.92 is: 75,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.92 : 116,199.60 = 54,429.92 : x
  2. Step 2: Convert to fraction form
    84,237.92/116,199.60 = 54,429.92/x
  3. Step 3: Cross multiply
    84,237.92x = 116,199.60 × 54,429.92
  4. Step 4: Simplify right side
    84,237.92x = 6,324,734,932.03
  5. Step 5: Solve for x
    x = 6,324,734,932.03/84,237.92
  6. Step 6: Final answer
    x = 75,081.80

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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.