Home / 194,722.12-268,716.42-105,298.12

Finding the Fourth Proportional to 194,722.12, 268,716.42 and 105,298.12

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Solution

The fourth proportional to 194,722.12, 268,716.42 and 105,298.12 is: 145,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,722.12 : 268,716.42 = 105,298.12 : x
  2. Step 2: Convert to fraction form
    194,722.12/268,716.42 = 105,298.12/x
  3. Step 3: Cross multiply
    194,722.12x = 268,716.42 × 105,298.12
  4. Step 4: Simplify right side
    194,722.12x = 28,295,333,839.13
  5. Step 5: Solve for x
    x = 28,295,333,839.13/194,722.12
  6. Step 6: Final answer
    x = 145,311.35

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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.