Home / 100,559.40-150,838.96-25,679.50

Finding the Fourth Proportional to 100,559.40, 150,838.96 and 25,679.50

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Solution

The fourth proportional to 100,559.40, 150,838.96 and 25,679.50 is: 38,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,559.40 : 150,838.96 = 25,679.50 : x
  2. Step 2: Convert to fraction form
    100,559.40/150,838.96 = 25,679.50/x
  3. Step 3: Cross multiply
    100,559.40x = 150,838.96 × 25,679.50
  4. Step 4: Simplify right side
    100,559.40x = 3,873,469,073.32
  5. Step 5: Solve for x
    x = 3,873,469,073.32/100,559.40
  6. Step 6: Final answer
    x = 38,519.21

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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.