Home / 100,028.40-149,991.30-29,898.60

Finding the Fourth Proportional to 100,028.40, 149,991.30 and 29,898.60

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Solution

The fourth proportional to 100,028.40, 149,991.30 and 29,898.60 is: 44,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,028.40 : 149,991.30 = 29,898.60 : x
  2. Step 2: Convert to fraction form
    100,028.40/149,991.30 = 29,898.60/x
  3. Step 3: Cross multiply
    100,028.40x = 149,991.30 × 29,898.60
  4. Step 4: Simplify right side
    100,028.40x = 4,484,529,882.18
  5. Step 5: Solve for x
    x = 4,484,529,882.18/100,028.40
  6. Step 6: Final answer
    x = 44,832.57

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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.