Home / 248,376.75-342,759.96-135,199.50

Finding the Fourth Proportional to 248,376.75, 342,759.96 and 135,199.50

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Solution

The fourth proportional to 248,376.75, 342,759.96 and 135,199.50 is: 186,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,376.75 : 342,759.96 = 135,199.50 : x
  2. Step 2: Convert to fraction form
    248,376.75/342,759.96 = 135,199.50/x
  3. Step 3: Cross multiply
    248,376.75x = 342,759.96 × 135,199.50
  4. Step 4: Simplify right side
    248,376.75x = 46,340,975,212.02
  5. Step 5: Solve for x
    x = 46,340,975,212.02/248,376.75
  6. Step 6: Final answer
    x = 186,575.33

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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.