Home / 194,033.20-290,466.60-115,106.80

Finding the Fourth Proportional to 194,033.20, 290,466.60 and 115,106.80

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Solution

The fourth proportional to 194,033.20, 290,466.60 and 115,106.80 is: 172,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,033.20 : 290,466.60 = 115,106.80 : x
  2. Step 2: Convert to fraction form
    194,033.20/290,466.60 = 115,106.80/x
  3. Step 3: Cross multiply
    194,033.20x = 290,466.60 × 115,106.80
  4. Step 4: Simplify right side
    194,033.20x = 33,434,680,832.88
  5. Step 5: Solve for x
    x = 33,434,680,832.88/194,033.20
  6. Step 6: Final answer
    x = 172,314.23

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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.