Home / 132,560.28-198,840.42-109,137.51

Finding the Fourth Proportional to 132,560.28, 198,840.42 and 109,137.51

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Solution

The fourth proportional to 132,560.28, 198,840.42 and 109,137.51 is: 163,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,560.28 : 198,840.42 = 109,137.51 : x
  2. Step 2: Convert to fraction form
    132,560.28/198,840.42 = 109,137.51/x
  3. Step 3: Cross multiply
    132,560.28x = 198,840.42 × 109,137.51
  4. Step 4: Simplify right side
    132,560.28x = 21,700,948,326.15
  5. Step 5: Solve for x
    x = 21,700,948,326.15/132,560.28
  6. Step 6: Final answer
    x = 163,706.27

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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.