Home / 198,285.50-273,634.32-107,641.51

Finding the Fourth Proportional to 198,285.50, 273,634.32 and 107,641.51

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Solution

The fourth proportional to 198,285.50, 273,634.32 and 107,641.51 is: 148,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,285.50 : 273,634.32 = 107,641.51 : x
  2. Step 2: Convert to fraction form
    198,285.50/273,634.32 = 107,641.51/x
  3. Step 3: Cross multiply
    198,285.50x = 273,634.32 × 107,641.51
  4. Step 4: Simplify right side
    198,285.50x = 29,454,412,045.90
  5. Step 5: Solve for x
    x = 29,454,412,045.90/198,285.50
  6. Step 6: Final answer
    x = 148,545.46

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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.