Home / 198,569.57-274,027.83-107,925.74

Finding the Fourth Proportional to 198,569.57, 274,027.83 and 107,925.74

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Solution

The fourth proportional to 198,569.57, 274,027.83 and 107,925.74 is: 148,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,569.57 : 274,027.83 = 107,925.74 : x
  2. Step 2: Convert to fraction form
    198,569.57/274,027.83 = 107,925.74/x
  3. Step 3: Cross multiply
    198,569.57x = 274,027.83 × 107,925.74
  4. Step 4: Simplify right side
    198,569.57x = 29,574,655,586.09
  5. Step 5: Solve for x
    x = 29,574,655,586.09/198,569.57
  6. Step 6: Final answer
    x = 148,938.51

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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.