Home / 135,183.60-186,549.84-74,752.56

Finding the Fourth Proportional to 135,183.60, 186,549.84 and 74,752.56

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Solution

The fourth proportional to 135,183.60, 186,549.84 and 74,752.56 is: 103,156.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,183.60 : 186,549.84 = 74,752.56 : x
  2. Step 2: Convert to fraction form
    135,183.60/186,549.84 = 74,752.56/x
  3. Step 3: Cross multiply
    135,183.60x = 186,549.84 × 74,752.56
  4. Step 4: Simplify right side
    135,183.60x = 13,945,078,107.59
  5. Step 5: Solve for x
    x = 13,945,078,107.59/135,183.60
  6. Step 6: Final answer
    x = 103,156.58

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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.