Home / 208,738.08-312,713.46-161,761.32

Finding the Fourth Proportional to 208,738.08, 312,713.46 and 161,761.32

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Solution

The fourth proportional to 208,738.08, 312,713.46 and 161,761.32 is: 242,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,738.08 : 312,713.46 = 161,761.32 : x
  2. Step 2: Convert to fraction form
    208,738.08/312,713.46 = 161,761.32/x
  3. Step 3: Cross multiply
    208,738.08x = 312,713.46 × 161,761.32
  4. Step 4: Simplify right side
    208,738.08x = 50,584,942,071.37
  5. Step 5: Solve for x
    x = 50,584,942,071.37/208,738.08
  6. Step 6: Final answer
    x = 242,336.91

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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.