Home / 266,621.40-399,932.01-106,769.34

Finding the Fourth Proportional to 266,621.40, 399,932.01 and 106,769.34

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Solution

The fourth proportional to 266,621.40, 399,932.01 and 106,769.34 is: 160,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,621.40 : 399,932.01 = 106,769.34 : x
  2. Step 2: Convert to fraction form
    266,621.40/399,932.01 = 106,769.34/x
  3. Step 3: Cross multiply
    266,621.40x = 399,932.01 × 106,769.34
  4. Step 4: Simplify right side
    266,621.40x = 42,700,476,752.57
  5. Step 5: Solve for x
    x = 42,700,476,752.57/266,621.40
  6. Step 6: Final answer
    x = 160,153.97

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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.