Home / 149,500.54-206,360.74-89,090.14

Finding the Fourth Proportional to 149,500.54, 206,360.74 and 89,090.14

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Solution

The fourth proportional to 149,500.54, 206,360.74 and 89,090.14 is: 122,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,500.54 : 206,360.74 = 89,090.14 : x
  2. Step 2: Convert to fraction form
    149,500.54/206,360.74 = 89,090.14/x
  3. Step 3: Cross multiply
    149,500.54x = 206,360.74 × 89,090.14
  4. Step 4: Simplify right side
    149,500.54x = 18,384,707,217.10
  5. Step 5: Solve for x
    x = 18,384,707,217.10/149,500.54
  6. Step 6: Final answer
    x = 122,974.19

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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.