Home / 198,495.29-273,920.17-107,852.64

Finding the Fourth Proportional to 198,495.29, 273,920.17 and 107,852.64

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Solution

The fourth proportional to 198,495.29, 273,920.17 and 107,852.64 is: 148,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,495.29 : 273,920.17 = 107,852.64 : x
  2. Step 2: Convert to fraction form
    198,495.29/273,920.17 = 107,852.64/x
  3. Step 3: Cross multiply
    198,495.29x = 273,920.17 × 107,852.64
  4. Step 4: Simplify right side
    198,495.29x = 29,543,013,483.75
  5. Step 5: Solve for x
    x = 29,543,013,483.75/198,495.29
  6. Step 6: Final answer
    x = 148,834.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.