Home / 204,505.64-306,774.86-71,382.95

Finding the Fourth Proportional to 204,505.64, 306,774.86 and 71,382.95

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Solution

The fourth proportional to 204,505.64, 306,774.86 and 71,382.95 is: 107,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,505.64 : 306,774.86 = 71,382.95 : x
  2. Step 2: Convert to fraction form
    204,505.64/306,774.86 = 71,382.95/x
  3. Step 3: Cross multiply
    204,505.64x = 306,774.86 × 71,382.95
  4. Step 4: Simplify right side
    204,505.64x = 21,898,492,601.85
  5. Step 5: Solve for x
    x = 21,898,492,601.85/204,505.64
  6. Step 6: Final answer
    x = 107,080.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.