Home / 139,723.58-209,521.12-44,936.26

Finding the Fourth Proportional to 139,723.58, 209,521.12 and 44,936.26

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Solution

The fourth proportional to 139,723.58, 209,521.12 and 44,936.26 is: 67,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,723.58 : 209,521.12 = 44,936.26 : x
  2. Step 2: Convert to fraction form
    139,723.58/209,521.12 = 44,936.26/x
  3. Step 3: Cross multiply
    139,723.58x = 209,521.12 × 44,936.26
  4. Step 4: Simplify right side
    139,723.58x = 9,415,096,047.61
  5. Step 5: Solve for x
    x = 9,415,096,047.61/139,723.58
  6. Step 6: Final answer
    x = 67,383.73

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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.