Home / 207,940.40-312,049.02-113,194.50

Finding the Fourth Proportional to 207,940.40, 312,049.02 and 113,194.50

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Solution

The fourth proportional to 207,940.40, 312,049.02 and 113,194.50 is: 169,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,940.40 : 312,049.02 = 113,194.50 : x
  2. Step 2: Convert to fraction form
    207,940.40/312,049.02 = 113,194.50/x
  3. Step 3: Cross multiply
    207,940.40x = 312,049.02 × 113,194.50
  4. Step 4: Simplify right side
    207,940.40x = 35,322,232,048.69
  5. Step 5: Solve for x
    x = 35,322,232,048.69/207,940.40
  6. Step 6: Final answer
    x = 169,867.10

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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.