Home / 135,219.27-186,594.93-74,786.39

Finding the Fourth Proportional to 135,219.27, 186,594.93 and 74,786.39

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Solution

The fourth proportional to 135,219.27, 186,594.93 and 74,786.39 is: 103,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,219.27 : 186,594.93 = 74,786.39 : x
  2. Step 2: Convert to fraction form
    135,219.27/186,594.93 = 74,786.39/x
  3. Step 3: Cross multiply
    135,219.27x = 186,594.93 × 74,786.39
  4. Step 4: Simplify right side
    135,219.27x = 13,954,760,274.03
  5. Step 5: Solve for x
    x = 13,954,760,274.03/135,219.27
  6. Step 6: Final answer
    x = 103,200.97

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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.