Home / 131,906.18-197,890.32-43,159.34

Finding the Fourth Proportional to 131,906.18, 197,890.32 and 43,159.34

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Solution

The fourth proportional to 131,906.18, 197,890.32 and 43,159.34 is: 64,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,906.18 : 197,890.32 = 43,159.34 : x
  2. Step 2: Convert to fraction form
    131,906.18/197,890.32 = 43,159.34/x
  3. Step 3: Cross multiply
    131,906.18x = 197,890.32 × 43,159.34
  4. Step 4: Simplify right side
    131,906.18x = 8,540,815,603.59
  5. Step 5: Solve for x
    x = 8,540,815,603.59/131,906.18
  6. Step 6: Final answer
    x = 64,749.17

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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.