Home / 194,604.78-268,548.51-109,720.62

Finding the Fourth Proportional to 194,604.78, 268,548.51 and 109,720.62

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Solution

The fourth proportional to 194,604.78, 268,548.51 and 109,720.62 is: 151,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604.78 : 268,548.51 = 109,720.62 : x
  2. Step 2: Convert to fraction form
    194,604.78/268,548.51 = 109,720.62/x
  3. Step 3: Cross multiply
    194,604.78x = 268,548.51 × 109,720.62
  4. Step 4: Simplify right side
    194,604.78x = 29,465,309,017.28
  5. Step 5: Solve for x
    x = 29,465,309,017.28/194,604.78
  6. Step 6: Final answer
    x = 151,411.02

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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.