Home / 131,920.53-197,917.73-43,236.32

Finding the Fourth Proportional to 131,920.53, 197,917.73 and 43,236.32

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Solution

The fourth proportional to 131,920.53, 197,917.73 and 43,236.32 is: 64,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,920.53 : 197,917.73 = 43,236.32 : x
  2. Step 2: Convert to fraction form
    131,920.53/197,917.73 = 43,236.32/x
  3. Step 3: Cross multiply
    131,920.53x = 197,917.73 × 43,236.32
  4. Step 4: Simplify right side
    131,920.53x = 8,557,233,264.32
  5. Step 5: Solve for x
    x = 8,557,233,264.32/131,920.53
  6. Step 6: Final answer
    x = 64,866.58

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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.