Home / 139,264.32-208,896.12-50,517.66

Finding the Fourth Proportional to 139,264.32, 208,896.12 and 50,517.66

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Solution

The fourth proportional to 139,264.32, 208,896.12 and 50,517.66 is: 75,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,264.32 : 208,896.12 = 50,517.66 : x
  2. Step 2: Convert to fraction form
    139,264.32/208,896.12 = 50,517.66/x
  3. Step 3: Cross multiply
    139,264.32x = 208,896.12 × 50,517.66
  4. Step 4: Simplify right side
    139,264.32x = 10,552,943,165.48
  5. Step 5: Solve for x
    x = 10,552,943,165.48/139,264.32
  6. Step 6: Final answer
    x = 75,776.36

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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.