Home / 131,782.64-197,674.36-31,942.44

Finding the Fourth Proportional to 131,782.64, 197,674.36 and 31,942.44

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Solution

The fourth proportional to 131,782.64, 197,674.36 and 31,942.44 is: 47,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,782.64 : 197,674.36 = 31,942.44 : x
  2. Step 2: Convert to fraction form
    131,782.64/197,674.36 = 31,942.44/x
  3. Step 3: Cross multiply
    131,782.64x = 197,674.36 × 31,942.44
  4. Step 4: Simplify right side
    131,782.64x = 6,314,201,383.84
  5. Step 5: Solve for x
    x = 6,314,201,383.84/131,782.64
  6. Step 6: Final answer
    x = 47,913.76

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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.