Home / 194,850.75-268,894.85-105,426.75

Finding the Fourth Proportional to 194,850.75, 268,894.85 and 105,426.75

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Solution

The fourth proportional to 194,850.75, 268,894.85 and 105,426.75 is: 145,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,850.75 : 268,894.85 = 105,426.75 : x
  2. Step 2: Convert to fraction form
    194,850.75/268,894.85 = 105,426.75/x
  3. Step 3: Cross multiply
    194,850.75x = 268,894.85 × 105,426.75
  4. Step 4: Simplify right side
    194,850.75x = 28,348,709,600.10
  5. Step 5: Solve for x
    x = 28,348,709,600.10/194,850.75
  6. Step 6: Final answer
    x = 145,489.35

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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.