Home / 149,496.55-206,355.23-89,086.14

Finding the Fourth Proportional to 149,496.55, 206,355.23 and 89,086.14

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Solution

The fourth proportional to 149,496.55, 206,355.23 and 89,086.14 is: 122,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,496.55 : 206,355.23 = 89,086.14 : x
  2. Step 2: Convert to fraction form
    149,496.55/206,355.23 = 89,086.14/x
  3. Step 3: Cross multiply
    149,496.55x = 206,355.23 × 89,086.14
  4. Step 4: Simplify right side
    149,496.55x = 18,383,390,464.08
  5. Step 5: Solve for x
    x = 18,383,390,464.08/149,496.55
  6. Step 6: Final answer
    x = 122,968.66

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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.