Home / 149,987.20-224,984.86-65,704

Finding the Fourth Proportional to 149,987.20, 224,984.86 and 65,704

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Solution

The fourth proportional to 149,987.20, 224,984.86 and 65,704 is: 98,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,987.20 : 224,984.86 = 65,704 : x
  2. Step 2: Convert to fraction form
    149,987.20/224,984.86 = 65,704/x
  3. Step 3: Cross multiply
    149,987.20x = 224,984.86 × 65,704
  4. Step 4: Simplify right side
    149,987.20x = 14,782,405,241.44
  5. Step 5: Solve for x
    x = 14,782,405,241.44/149,987.20
  6. Step 6: Final answer
    x = 98,557.78

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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.