Home / 139,049.55-208,574.33-50,305.95

Finding the Fourth Proportional to 139,049.55, 208,574.33 and 50,305.95

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Solution

The fourth proportional to 139,049.55, 208,574.33 and 50,305.95 is: 75,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,049.55 : 208,574.33 = 50,305.95 : x
  2. Step 2: Convert to fraction form
    139,049.55/208,574.33 = 50,305.95/x
  3. Step 3: Cross multiply
    139,049.55x = 208,574.33 × 50,305.95
  4. Step 4: Simplify right side
    139,049.55x = 10,492,529,564.73
  5. Step 5: Solve for x
    x = 10,492,529,564.73/139,049.55
  6. Step 6: Final answer
    x = 75,458.93

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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.