Home / 194,664.79-268,629.86-108,619.30

Finding the Fourth Proportional to 194,664.79, 268,629.86 and 108,619.30

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Solution

The fourth proportional to 194,664.79, 268,629.86 and 108,619.30 is: 149,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.79 : 268,629.86 = 108,619.30 : x
  2. Step 2: Convert to fraction form
    194,664.79/268,629.86 = 108,619.30/x
  3. Step 3: Cross multiply
    194,664.79x = 268,629.86 × 108,619.30
  4. Step 4: Simplify right side
    194,664.79x = 29,178,386,952.27
  5. Step 5: Solve for x
    x = 29,178,386,952.27/194,664.79
  6. Step 6: Final answer
    x = 149,890.42

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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.