Home / 194,395.90-268,233.86-108,336.08

Finding the Fourth Proportional to 194,395.90, 268,233.86 and 108,336.08

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Solution

The fourth proportional to 194,395.90, 268,233.86 and 108,336.08 is: 149,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,395.90 : 268,233.86 = 108,336.08 : x
  2. Step 2: Convert to fraction form
    194,395.90/268,233.86 = 108,336.08/x
  3. Step 3: Cross multiply
    194,395.90x = 268,233.86 × 108,336.08
  4. Step 4: Simplify right side
    194,395.90x = 29,059,404,915.67
  5. Step 5: Solve for x
    x = 29,059,404,915.67/194,395.90
  6. Step 6: Final answer
    x = 149,485.69

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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.