Home / 139,150.14-208,755.44-45,652.38

Finding the Fourth Proportional to 139,150.14, 208,755.44 and 45,652.38

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Solution

The fourth proportional to 139,150.14, 208,755.44 and 45,652.38 is: 68,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,150.14 : 208,755.44 = 45,652.38 : x
  2. Step 2: Convert to fraction form
    139,150.14/208,755.44 = 45,652.38/x
  3. Step 3: Cross multiply
    139,150.14x = 208,755.44 × 45,652.38
  4. Step 4: Simplify right side
    139,150.14x = 9,530,182,673.95
  5. Step 5: Solve for x
    x = 9,530,182,673.95/139,150.14
  6. Step 6: Final answer
    x = 68,488.49

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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.