Home / 198,935.81-274,528.59-108,292.52

Finding the Fourth Proportional to 198,935.81, 274,528.59 and 108,292.52

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Solution

The fourth proportional to 198,935.81, 274,528.59 and 108,292.52 is: 149,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,935.81 : 274,528.59 = 108,292.52 : x
  2. Step 2: Convert to fraction form
    198,935.81/274,528.59 = 108,292.52/x
  3. Step 3: Cross multiply
    198,935.81x = 274,528.59 × 108,292.52
  4. Step 4: Simplify right side
    198,935.81x = 29,729,393,509.47
  5. Step 5: Solve for x
    x = 29,729,393,509.47/198,935.81
  6. Step 6: Final answer
    x = 149,442.14

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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.