Home / 135,529.52-186,969.40-81,797.36

Finding the Fourth Proportional to 135,529.52, 186,969.40 and 81,797.36

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Solution

The fourth proportional to 135,529.52, 186,969.40 and 81,797.36 is: 112,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,529.52 : 186,969.40 = 81,797.36 : x
  2. Step 2: Convert to fraction form
    135,529.52/186,969.40 = 81,797.36/x
  3. Step 3: Cross multiply
    135,529.52x = 186,969.40 × 81,797.36
  4. Step 4: Simplify right side
    135,529.52x = 15,293,602,181.44
  5. Step 5: Solve for x
    x = 15,293,602,181.44/135,529.52
  6. Step 6: Final answer
    x = 112,843.33

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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.