Home / 198,339.15-273,639.62-126,761.07

Finding the Fourth Proportional to 198,339.15, 273,639.62 and 126,761.07

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Solution

The fourth proportional to 198,339.15, 273,639.62 and 126,761.07 is: 174,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,339.15 : 273,639.62 = 126,761.07 : x
  2. Step 2: Convert to fraction form
    198,339.15/273,639.62 = 126,761.07/x
  3. Step 3: Cross multiply
    198,339.15x = 273,639.62 × 126,761.07
  4. Step 4: Simplify right side
    198,339.15x = 34,686,851,342.50
  5. Step 5: Solve for x
    x = 34,686,851,342.50/198,339.15
  6. Step 6: Final answer
    x = 174,886.56

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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.