Home / 149,982.66-207,028.19-86,345.82

Finding the Fourth Proportional to 149,982.66, 207,028.19 and 86,345.82

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Solution

The fourth proportional to 149,982.66, 207,028.19 and 86,345.82 is: 119,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,982.66 : 207,028.19 = 86,345.82 : x
  2. Step 2: Convert to fraction form
    149,982.66/207,028.19 = 86,345.82/x
  3. Step 3: Cross multiply
    149,982.66x = 207,028.19 × 86,345.82
  4. Step 4: Simplify right side
    149,982.66x = 17,876,019,044.53
  5. Step 5: Solve for x
    x = 17,876,019,044.53/149,982.66
  6. Step 6: Final answer
    x = 119,187.24

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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.