Home / 149,551.28-206,375.73-89,090.61

Finding the Fourth Proportional to 149,551.28, 206,375.73 and 89,090.61

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Solution

The fourth proportional to 149,551.28, 206,375.73 and 89,090.61 is: 122,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,551.28 : 206,375.73 = 89,090.61 : x
  2. Step 2: Convert to fraction form
    149,551.28/206,375.73 = 89,090.61/x
  3. Step 3: Cross multiply
    149,551.28x = 206,375.73 × 89,090.61
  4. Step 4: Simplify right side
    149,551.28x = 18,386,139,674.90
  5. Step 5: Solve for x
    x = 18,386,139,674.90/149,551.28
  6. Step 6: Final answer
    x = 122,942.04

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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.