Home / 194,263.85-268,080.05-108,222.71

Finding the Fourth Proportional to 194,263.85, 268,080.05 and 108,222.71

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Solution

The fourth proportional to 194,263.85, 268,080.05 and 108,222.71 is: 149,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,263.85 : 268,080.05 = 108,222.71 : x
  2. Step 2: Convert to fraction form
    194,263.85/268,080.05 = 108,222.71/x
  3. Step 3: Cross multiply
    194,263.85x = 268,080.05 × 108,222.71
  4. Step 4: Simplify right side
    194,263.85x = 29,012,348,438.09
  5. Step 5: Solve for x
    x = 29,012,348,438.09/194,263.85
  6. Step 6: Final answer
    x = 149,345.07

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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.