Home / 149,500.56-206,360.76-89,090.16

Finding the Fourth Proportional to 149,500.56, 206,360.76 and 89,090.16

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Solution

The fourth proportional to 149,500.56, 206,360.76 and 89,090.16 is: 122,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,500.56 : 206,360.76 = 89,090.16 : x
  2. Step 2: Convert to fraction form
    149,500.56/206,360.76 = 89,090.16/x
  3. Step 3: Cross multiply
    149,500.56x = 206,360.76 × 89,090.16
  4. Step 4: Simplify right side
    149,500.56x = 18,384,713,126.12
  5. Step 5: Solve for x
    x = 18,384,713,126.12/149,500.56
  6. Step 6: Final answer
    x = 122,974.21

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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.