Home / 213,680.28-294,872.94-118,183.80

Finding the Fourth Proportional to 213,680.28, 294,872.94 and 118,183.80

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Solution

The fourth proportional to 213,680.28, 294,872.94 and 118,183.80 is: 163,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,680.28 : 294,872.94 = 118,183.80 : x
  2. Step 2: Convert to fraction form
    213,680.28/294,872.94 = 118,183.80/x
  3. Step 3: Cross multiply
    213,680.28x = 294,872.94 × 118,183.80
  4. Step 4: Simplify right side
    213,680.28x = 34,849,204,566.37
  5. Step 5: Solve for x
    x = 34,849,204,566.37/213,680.28
  6. Step 6: Final answer
    x = 163,090.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.