Home / 139,267.20-208,851.12-50,497.68

Finding the Fourth Proportional to 139,267.20, 208,851.12 and 50,497.68

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Solution

The fourth proportional to 139,267.20, 208,851.12 and 50,497.68 is: 75,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,267.20 : 208,851.12 = 50,497.68 : x
  2. Step 2: Convert to fraction form
    139,267.20/208,851.12 = 50,497.68/x
  3. Step 3: Cross multiply
    139,267.20x = 208,851.12 × 50,497.68
  4. Step 4: Simplify right side
    139,267.20x = 10,546,497,025.40
  5. Step 5: Solve for x
    x = 10,546,497,025.40/139,267.20
  6. Step 6: Final answer
    x = 75,728.51

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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.