Home / 207,974.70-311,962.05-113,496.30

Finding the Fourth Proportional to 207,974.70, 311,962.05 and 113,496.30

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Solution

The fourth proportional to 207,974.70, 311,962.05 and 113,496.30 is: 170,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974.70 : 311,962.05 = 113,496.30 : x
  2. Step 2: Convert to fraction form
    207,974.70/311,962.05 = 113,496.30/x
  3. Step 3: Cross multiply
    207,974.70x = 311,962.05 × 113,496.30
  4. Step 4: Simplify right side
    207,974.70x = 35,406,538,415.42
  5. Step 5: Solve for x
    x = 35,406,538,415.42/207,974.70
  6. Step 6: Final answer
    x = 170,244.45

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1.5x scale

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.