Home / 139,262.32-208,893.12-50,515.66

Finding the Fourth Proportional to 139,262.32, 208,893.12 and 50,515.66

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Solution

The fourth proportional to 139,262.32, 208,893.12 and 50,515.66 is: 75,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,262.32 : 208,893.12 = 50,515.66 : x
  2. Step 2: Convert to fraction form
    139,262.32/208,893.12 = 50,515.66/x
  3. Step 3: Cross multiply
    139,262.32x = 208,893.12 × 50,515.66
  4. Step 4: Simplify right side
    139,262.32x = 10,552,373,826.26
  5. Step 5: Solve for x
    x = 10,552,373,826.26/139,262.32
  6. Step 6: Final answer
    x = 75,773.36

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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.