Home / 198,557.66-274,011.36-107,913.83

Finding the Fourth Proportional to 198,557.66, 274,011.36 and 107,913.83

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Solution

The fourth proportional to 198,557.66, 274,011.36 and 107,913.83 is: 148,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.66 : 274,011.36 = 107,913.83 : x
  2. Step 2: Convert to fraction form
    198,557.66/274,011.36 = 107,913.83/x
  3. Step 3: Cross multiply
    198,557.66x = 274,011.36 × 107,913.83
  4. Step 4: Simplify right side
    198,557.66x = 29,569,616,722.25
  5. Step 5: Solve for x
    x = 29,569,616,722.25/198,557.66
  6. Step 6: Final answer
    x = 148,922.07

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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.