Home / 198,559.15-274,011.61-107,915.32

Finding the Fourth Proportional to 198,559.15, 274,011.61 and 107,915.32

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Solution

The fourth proportional to 198,559.15, 274,011.61 and 107,915.32 is: 148,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,559.15 : 274,011.61 = 107,915.32 : x
  2. Step 2: Convert to fraction form
    198,559.15/274,011.61 = 107,915.32/x
  3. Step 3: Cross multiply
    198,559.15x = 274,011.61 × 107,915.32
  4. Step 4: Simplify right side
    198,559.15x = 29,570,050,576.87
  5. Step 5: Solve for x
    x = 29,570,050,576.87/198,559.15
  6. Step 6: Final answer
    x = 148,923.13

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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.