Home / 181,563.31-272,157.39-69,213.37

Finding the Fourth Proportional to 181,563.31, 272,157.39 and 69,213.37

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Solution

The fourth proportional to 181,563.31, 272,157.39 and 69,213.37 is: 103,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,563.31 : 272,157.39 = 69,213.37 : x
  2. Step 2: Convert to fraction form
    181,563.31/272,157.39 = 69,213.37/x
  3. Step 3: Cross multiply
    181,563.31x = 272,157.39 × 69,213.37
  4. Step 4: Simplify right side
    181,563.31x = 18,836,930,132.30
  5. Step 5: Solve for x
    x = 18,836,930,132.30/181,563.31
  6. Step 6: Final answer
    x = 103,748.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.