Home / 149,028.60-223,542.90-137,623.80

Finding the Fourth Proportional to 149,028.60, 223,542.90 and 137,623.80

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Solution

The fourth proportional to 149,028.60, 223,542.90 and 137,623.80 is: 206,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.60 : 223,542.90 = 137,623.80 : x
  2. Step 2: Convert to fraction form
    149,028.60/223,542.90 = 137,623.80/x
  3. Step 3: Cross multiply
    149,028.60x = 223,542.90 × 137,623.80
  4. Step 4: Simplify right side
    149,028.60x = 30,764,823,361.02
  5. Step 5: Solve for x
    x = 30,764,823,361.02/149,028.60
  6. Step 6: Final answer
    x = 206,435.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.