Home / 194,484.78-268,387.56-109,629.18

Finding the Fourth Proportional to 194,484.78, 268,387.56 and 109,629.18

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Solution

The fourth proportional to 194,484.78, 268,387.56 and 109,629.18 is: 151,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,484.78 : 268,387.56 = 109,629.18 : x
  2. Step 2: Convert to fraction form
    194,484.78/268,387.56 = 109,629.18/x
  3. Step 3: Cross multiply
    194,484.78x = 268,387.56 × 109,629.18
  4. Step 4: Simplify right side
    194,484.78x = 29,423,108,125.00
  5. Step 5: Solve for x
    x = 29,423,108,125.00/194,484.78
  6. Step 6: Final answer
    x = 151,287.46

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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.