Home / 132,258.88-198,315.42-68,920.94

Finding the Fourth Proportional to 132,258.88, 198,315.42 and 68,920.94

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Solution

The fourth proportional to 132,258.88, 198,315.42 and 68,920.94 is: 103,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,258.88 : 198,315.42 = 68,920.94 : x
  2. Step 2: Convert to fraction form
    132,258.88/198,315.42 = 68,920.94/x
  3. Step 3: Cross multiply
    132,258.88x = 198,315.42 × 68,920.94
  4. Step 4: Simplify right side
    132,258.88x = 13,668,085,162.89
  5. Step 5: Solve for x
    x = 13,668,085,162.89/132,258.88
  6. Step 6: Final answer
    x = 103,343.42

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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.