Home / 198,582.59-274,044.32-107,938.31

Finding the Fourth Proportional to 198,582.59, 274,044.32 and 107,938.31

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Solution

The fourth proportional to 198,582.59, 274,044.32 and 107,938.31 is: 148,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,582.59 : 274,044.32 = 107,938.31 : x
  2. Step 2: Convert to fraction form
    198,582.59/274,044.32 = 107,938.31/x
  3. Step 3: Cross multiply
    198,582.59x = 274,044.32 × 107,938.31
  4. Step 4: Simplify right side
    198,582.59x = 29,579,880,765.90
  5. Step 5: Solve for x
    x = 29,579,880,765.90/198,582.59
  6. Step 6: Final answer
    x = 148,955.06

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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.