Home / 135,243.54-186,789.24-92,148.30

Finding the Fourth Proportional to 135,243.54, 186,789.24 and 92,148.30

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Solution

The fourth proportional to 135,243.54, 186,789.24 and 92,148.30 is: 127,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,243.54 : 186,789.24 = 92,148.30 : x
  2. Step 2: Convert to fraction form
    135,243.54/186,789.24 = 92,148.30/x
  3. Step 3: Cross multiply
    135,243.54x = 186,789.24 × 92,148.30
  4. Step 4: Simplify right side
    135,243.54x = 17,212,310,924.29
  5. Step 5: Solve for x
    x = 17,212,310,924.29/135,243.54
  6. Step 6: Final answer
    x = 127,269.01

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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.