Home / 149,900.30-224,739.23-90,721.90

Finding the Fourth Proportional to 149,900.30, 224,739.23 and 90,721.90

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Solution

The fourth proportional to 149,900.30, 224,739.23 and 90,721.90 is: 136,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,900.30 : 224,739.23 = 90,721.90 : x
  2. Step 2: Convert to fraction form
    149,900.30/224,739.23 = 90,721.90/x
  3. Step 3: Cross multiply
    149,900.30x = 224,739.23 × 90,721.90
  4. Step 4: Simplify right side
    149,900.30x = 20,388,769,950.14
  5. Step 5: Solve for x
    x = 20,388,769,950.14/149,900.30
  6. Step 6: Final answer
    x = 136,015.54

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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.