Home / 248,772.63-343,305.42-135,595.38

Finding the Fourth Proportional to 248,772.63, 343,305.42 and 135,595.38

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Solution

The fourth proportional to 248,772.63, 343,305.42 and 135,595.38 is: 187,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,772.63 : 343,305.42 = 135,595.38 : x
  2. Step 2: Convert to fraction form
    248,772.63/343,305.42 = 135,595.38/x
  3. Step 3: Cross multiply
    248,772.63x = 343,305.42 × 135,595.38
  4. Step 4: Simplify right side
    248,772.63x = 46,550,628,880.96
  5. Step 5: Solve for x
    x = 46,550,628,880.96/248,772.63
  6. Step 6: Final answer
    x = 187,121.18

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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.