Home / 80,183.18-110,654.59-51,938.02

Finding the Fourth Proportional to 80,183.18, 110,654.59 and 51,938.02

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Solution

The fourth proportional to 80,183.18, 110,654.59 and 51,938.02 is: 71,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,183.18 : 110,654.59 = 51,938.02 : x
  2. Step 2: Convert to fraction form
    80,183.18/110,654.59 = 51,938.02/x
  3. Step 3: Cross multiply
    80,183.18x = 110,654.59 × 51,938.02
  4. Step 4: Simplify right side
    80,183.18x = 5,747,180,308.51
  5. Step 5: Solve for x
    x = 5,747,180,308.51/80,183.18
  6. Step 6: Final answer
    x = 71,675.63

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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.