Home / 206,932.70-310,235.02-113,438.45

Finding the Fourth Proportional to 206,932.70, 310,235.02 and 113,438.45

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Solution

The fourth proportional to 206,932.70, 310,235.02 and 113,438.45 is: 170,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,932.70 : 310,235.02 = 113,438.45 : x
  2. Step 2: Convert to fraction form
    206,932.70/310,235.02 = 113,438.45/x
  3. Step 3: Cross multiply
    206,932.70x = 310,235.02 × 113,438.45
  4. Step 4: Simplify right side
    206,932.70x = 35,192,579,804.52
  5. Step 5: Solve for x
    x = 35,192,579,804.52/206,932.70
  6. Step 6: Final answer
    x = 170,067.76

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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.