Home / 132,440.58-198,656.45-57,560.79

Finding the Fourth Proportional to 132,440.58, 198,656.45 and 57,560.79

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Solution

The fourth proportional to 132,440.58, 198,656.45 and 57,560.79 is: 86,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,440.58 : 198,656.45 = 57,560.79 : x
  2. Step 2: Convert to fraction form
    132,440.58/198,656.45 = 57,560.79/x
  3. Step 3: Cross multiply
    132,440.58x = 198,656.45 × 57,560.79
  4. Step 4: Simplify right side
    132,440.58x = 11,434,821,912.79
  5. Step 5: Solve for x
    x = 11,434,821,912.79/132,440.58
  6. Step 6: Final answer
    x = 86,339.26

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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.