Home / 104,643.20-156,991.26-45,489.44

Finding the Fourth Proportional to 104,643.20, 156,991.26 and 45,489.44

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Solution

The fourth proportional to 104,643.20, 156,991.26 and 45,489.44 is: 68,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,643.20 : 156,991.26 = 45,489.44 : x
  2. Step 2: Convert to fraction form
    104,643.20/156,991.26 = 45,489.44/x
  3. Step 3: Cross multiply
    104,643.20x = 156,991.26 × 45,489.44
  4. Step 4: Simplify right side
    104,643.20x = 7,141,444,502.29
  5. Step 5: Solve for x
    x = 7,141,444,502.29/104,643.20
  6. Step 6: Final answer
    x = 68,245.66

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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.