Home / 182,064.08-272,735.67-85,869.56

Finding the Fourth Proportional to 182,064.08, 272,735.67 and 85,869.56

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Solution

The fourth proportional to 182,064.08, 272,735.67 and 85,869.56 is: 128,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,064.08 : 272,735.67 = 85,869.56 : x
  2. Step 2: Convert to fraction form
    182,064.08/272,735.67 = 85,869.56/x
  3. Step 3: Cross multiply
    182,064.08x = 272,735.67 × 85,869.56
  4. Step 4: Simplify right side
    182,064.08x = 23,419,691,979.21
  5. Step 5: Solve for x
    x = 23,419,691,979.21/182,064.08
  6. Step 6: Final answer
    x = 128,634.34

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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.