Home / 194,487.78-268,391.70-109,632.18

Finding the Fourth Proportional to 194,487.78, 268,391.70 and 109,632.18

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Solution

The fourth proportional to 194,487.78, 268,391.70 and 109,632.18 is: 151,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,487.78 : 268,391.70 = 109,632.18 : x
  2. Step 2: Convert to fraction form
    194,487.78/268,391.70 = 109,632.18/x
  3. Step 3: Cross multiply
    194,487.78x = 268,391.70 × 109,632.18
  4. Step 4: Simplify right side
    194,487.78x = 29,424,367,164.91
  5. Step 5: Solve for x
    x = 29,424,367,164.91/194,487.78
  6. Step 6: Final answer
    x = 151,291.60

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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.