Home / 239,619.40-359,367.57-71,099.86

Finding the Fourth Proportional to 239,619.40, 359,367.57 and 71,099.86

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Solution

The fourth proportional to 239,619.40, 359,367.57 and 71,099.86 is: 106,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,619.40 : 359,367.57 = 71,099.86 : x
  2. Step 2: Convert to fraction form
    239,619.40/359,367.57 = 71,099.86/x
  3. Step 3: Cross multiply
    239,619.40x = 359,367.57 × 71,099.86
  4. Step 4: Simplify right side
    239,619.40x = 25,550,983,915.54
  5. Step 5: Solve for x
    x = 25,550,983,915.54/239,619.40
  6. Step 6: Final answer
    x = 106,631.53

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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.