Home / 198,557.51-274,011.99-107,915.27

Finding the Fourth Proportional to 198,557.51, 274,011.99 and 107,915.27

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Solution

The fourth proportional to 198,557.51, 274,011.99 and 107,915.27 is: 148,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,557.51 : 274,011.99 = 107,915.27 : x
  2. Step 2: Convert to fraction form
    198,557.51/274,011.99 = 107,915.27/x
  3. Step 3: Cross multiply
    198,557.51x = 274,011.99 × 107,915.27
  4. Step 4: Simplify right side
    198,557.51x = 29,570,077,884.09
  5. Step 5: Solve for x
    x = 29,570,077,884.09/198,557.51
  6. Step 6: Final answer
    x = 148,924.50

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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.