Home / 149,028.30-223,250.85-89,687.70

Finding the Fourth Proportional to 149,028.30, 223,250.85 and 89,687.70

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Solution

The fourth proportional to 149,028.30, 223,250.85 and 89,687.70 is: 134,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.30 : 223,250.85 = 89,687.70 : x
  2. Step 2: Convert to fraction form
    149,028.30/223,250.85 = 89,687.70/x
  3. Step 3: Cross multiply
    149,028.30x = 223,250.85 × 89,687.70
  4. Step 4: Simplify right side
    149,028.30x = 20,022,855,259.55
  5. Step 5: Solve for x
    x = 20,022,855,259.55/149,028.30
  6. Step 6: Final answer
    x = 134,356.06

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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.