Home / 194,723.25-268,718.10-105,299.25

Finding the Fourth Proportional to 194,723.25, 268,718.10 and 105,299.25

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Solution

The fourth proportional to 194,723.25, 268,718.10 and 105,299.25 is: 145,312.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,723.25 : 268,718.10 = 105,299.25 : x
  2. Step 2: Convert to fraction form
    194,723.25/268,718.10 = 105,299.25/x
  3. Step 3: Cross multiply
    194,723.25x = 268,718.10 × 105,299.25
  4. Step 4: Simplify right side
    194,723.25x = 28,295,814,391.43
  5. Step 5: Solve for x
    x = 28,295,814,391.43/194,723.25
  6. Step 6: Final answer
    x = 145,312.97

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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.