Home / 104,245.20-156,367.74-73,218.96

Finding the Fourth Proportional to 104,245.20, 156,367.74 and 73,218.96

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Solution

The fourth proportional to 104,245.20, 156,367.74 and 73,218.96 is: 109,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,245.20 : 156,367.74 = 73,218.96 : x
  2. Step 2: Convert to fraction form
    104,245.20/156,367.74 = 73,218.96/x
  3. Step 3: Cross multiply
    104,245.20x = 156,367.74 × 73,218.96
  4. Step 4: Simplify right side
    104,245.20x = 11,449,083,300.35
  5. Step 5: Solve for x
    x = 11,449,083,300.35/104,245.20
  6. Step 6: Final answer
    x = 109,828.40

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1.5x scale

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.