Home / 139,561.11-209,342.27-44,805.69

Finding the Fourth Proportional to 139,561.11, 209,342.27 and 44,805.69

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Solution

The fourth proportional to 139,561.11, 209,342.27 and 44,805.69 is: 67,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,561.11 : 209,342.27 = 44,805.69 : x
  2. Step 2: Convert to fraction form
    139,561.11/209,342.27 = 44,805.69/x
  3. Step 3: Cross multiply
    139,561.11x = 209,342.27 × 44,805.69
  4. Step 4: Simplify right side
    139,561.11x = 9,379,724,853.52
  5. Step 5: Solve for x
    x = 9,379,724,853.52/139,561.11
  6. Step 6: Final answer
    x = 67,208.73

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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.