Home / 130,438.82-196,546.70-107,265.42

Finding the Fourth Proportional to 130,438.82, 196,546.70 and 107,265.42

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Solution

The fourth proportional to 130,438.82, 196,546.70 and 107,265.42 is: 161,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,438.82 : 196,546.70 = 107,265.42 : x
  2. Step 2: Convert to fraction form
    130,438.82/196,546.70 = 107,265.42/x
  3. Step 3: Cross multiply
    130,438.82x = 196,546.70 × 107,265.42
  4. Step 4: Simplify right side
    130,438.82x = 21,082,664,525.84
  5. Step 5: Solve for x
    x = 21,082,664,525.84/130,438.82
  6. Step 6: Final answer
    x = 161,628.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.