Home / 149,899.30-224,737.73-90,720.90

Finding the Fourth Proportional to 149,899.30, 224,737.73 and 90,720.90

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Solution

The fourth proportional to 149,899.30, 224,737.73 and 90,720.90 is: 136,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,899.30 : 224,737.73 = 90,720.90 : x
  2. Step 2: Convert to fraction form
    149,899.30/224,737.73 = 90,720.90/x
  3. Step 3: Cross multiply
    149,899.30x = 224,737.73 × 90,720.90
  4. Step 4: Simplify right side
    149,899.30x = 20,388,409,129.56
  5. Step 5: Solve for x
    x = 20,388,409,129.56/149,899.30
  6. Step 6: Final answer
    x = 136,014.04

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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.