Home / 194,985.20-269,205-159,260.96

Finding the Fourth Proportional to 194,985.20, 269,205 and 159,260.96

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Solution

The fourth proportional to 194,985.20, 269,205 and 159,260.96 is: 219,882.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,985.20 : 269,205 = 159,260.96 : x
  2. Step 2: Convert to fraction form
    194,985.20/269,205 = 159,260.96/x
  3. Step 3: Cross multiply
    194,985.20x = 269,205 × 159,260.96
  4. Step 4: Simplify right side
    194,985.20x = 42,873,846,736.80
  5. Step 5: Solve for x
    x = 42,873,846,736.80/194,985.20
  6. Step 6: Final answer
    x = 219,882.57

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1.5x scale

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.