Home / 248,286.25-342,635.03-135,109.81

Finding the Fourth Proportional to 248,286.25, 342,635.03 and 135,109.81

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Solution

The fourth proportional to 248,286.25, 342,635.03 and 135,109.81 is: 186,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,286.25 : 342,635.03 = 135,109.81 : x
  2. Step 2: Convert to fraction form
    248,286.25/342,635.03 = 135,109.81/x
  3. Step 3: Cross multiply
    248,286.25x = 342,635.03 × 135,109.81
  4. Step 4: Simplify right side
    248,286.25x = 46,293,353,802.64
  5. Step 5: Solve for x
    x = 46,293,353,802.64/248,286.25
  6. Step 6: Final answer
    x = 186,451.54

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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.