Home / 100,539.23-150,757.27-53,179.88

Finding the Fourth Proportional to 100,539.23, 150,757.27 and 53,179.88

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Solution

The fourth proportional to 100,539.23, 150,757.27 and 53,179.88 is: 79,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,539.23 : 150,757.27 = 53,179.88 : x
  2. Step 2: Convert to fraction form
    100,539.23/150,757.27 = 53,179.88/x
  3. Step 3: Cross multiply
    100,539.23x = 150,757.27 × 53,179.88
  4. Step 4: Simplify right side
    100,539.23x = 8,017,252,640.99
  5. Step 5: Solve for x
    x = 8,017,252,640.99/100,539.23
  6. Step 6: Final answer
    x = 79,742.53

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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.