Home / 207,922.70-311,884.05-113,444.30

Finding the Fourth Proportional to 207,922.70, 311,884.05 and 113,444.30

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Solution

The fourth proportional to 207,922.70, 311,884.05 and 113,444.30 is: 170,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,922.70 : 311,884.05 = 113,444.30 : x
  2. Step 2: Convert to fraction form
    207,922.70/311,884.05 = 113,444.30/x
  3. Step 3: Cross multiply
    207,922.70x = 311,884.05 × 113,444.30
  4. Step 4: Simplify right side
    207,922.70x = 35,381,467,733.42
  5. Step 5: Solve for x
    x = 35,381,467,733.42/207,922.70
  6. Step 6: Final answer
    x = 170,166.45

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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.