Home / 172,847.40-238,639.52-141,091.80

Finding the Fourth Proportional to 172,847.40, 238,639.52 and 141,091.80

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Solution

The fourth proportional to 172,847.40, 238,639.52 and 141,091.80 is: 194,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,847.40 : 238,639.52 = 141,091.80 : x
  2. Step 2: Convert to fraction form
    172,847.40/238,639.52 = 141,091.80/x
  3. Step 3: Cross multiply
    172,847.40x = 238,639.52 × 141,091.80
  4. Step 4: Simplify right side
    172,847.40x = 33,670,079,427.94
  5. Step 5: Solve for x
    x = 33,670,079,427.94/172,847.40
  6. Step 6: Final answer
    x = 194,796.56

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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.