Home / 161,144.56-241,633.84-72,321.92

Finding the Fourth Proportional to 161,144.56, 241,633.84 and 72,321.92

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Solution

The fourth proportional to 161,144.56, 241,633.84 and 72,321.92 is: 108,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,144.56 : 241,633.84 = 72,321.92 : x
  2. Step 2: Convert to fraction form
    161,144.56/241,633.84 = 72,321.92/x
  3. Step 3: Cross multiply
    161,144.56x = 241,633.84 × 72,321.92
  4. Step 4: Simplify right side
    161,144.56x = 17,475,423,245.77
  5. Step 5: Solve for x
    x = 17,475,423,245.77/161,144.56
  6. Step 6: Final answer
    x = 108,445.63

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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.