Home / 138,891.74-208,294.66-50,133.96

Finding the Fourth Proportional to 138,891.74, 208,294.66 and 50,133.96

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Solution

The fourth proportional to 138,891.74, 208,294.66 and 50,133.96 is: 75,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,891.74 : 208,294.66 = 50,133.96 : x
  2. Step 2: Convert to fraction form
    138,891.74/208,294.66 = 50,133.96/x
  3. Step 3: Cross multiply
    138,891.74x = 208,294.66 × 50,133.96
  4. Step 4: Simplify right side
    138,891.74x = 10,442,636,152.65
  5. Step 5: Solve for x
    x = 10,442,636,152.65/138,891.74
  6. Step 6: Final answer
    x = 75,185.44

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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.