Home / 194,515.89-268,439.43-109,631.13

Finding the Fourth Proportional to 194,515.89, 268,439.43 and 109,631.13

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Solution

The fourth proportional to 194,515.89, 268,439.43 and 109,631.13 is: 151,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,515.89 : 268,439.43 = 109,631.13 : x
  2. Step 2: Convert to fraction form
    194,515.89/268,439.43 = 109,631.13/x
  3. Step 3: Cross multiply
    194,515.89x = 268,439.43 × 109,631.13
  4. Step 4: Simplify right side
    194,515.89x = 29,429,318,047.46
  5. Step 5: Solve for x
    x = 29,429,318,047.46/194,515.89
  6. Step 6: Final answer
    x = 151,295.19

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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.