Home / 198,948.79-274,552.83-108,307.36

Finding the Fourth Proportional to 198,948.79, 274,552.83 and 108,307.36

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Solution

The fourth proportional to 198,948.79, 274,552.83 and 108,307.36 is: 149,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,948.79 : 274,552.83 = 108,307.36 : x
  2. Step 2: Convert to fraction form
    198,948.79/274,552.83 = 108,307.36/x
  3. Step 3: Cross multiply
    198,948.79x = 274,552.83 × 108,307.36
  4. Step 4: Simplify right side
    198,948.79x = 29,736,090,283.53
  5. Step 5: Solve for x
    x = 29,736,090,283.53/198,948.79
  6. Step 6: Final answer
    x = 149,466.06

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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.