Home / 135,933.02-187,548.72-82,179

Finding the Fourth Proportional to 135,933.02, 187,548.72 and 82,179

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Solution

The fourth proportional to 135,933.02, 187,548.72 and 82,179 is: 113,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,933.02 : 187,548.72 = 82,179 : x
  2. Step 2: Convert to fraction form
    135,933.02/187,548.72 = 82,179/x
  3. Step 3: Cross multiply
    135,933.02x = 187,548.72 × 82,179
  4. Step 4: Simplify right side
    135,933.02x = 15,412,566,260.88
  5. Step 5: Solve for x
    x = 15,412,566,260.88/135,933.02
  6. Step 6: Final answer
    x = 113,383.53

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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.