Home / 248,616.57-343,090.89-135,439.32

Finding the Fourth Proportional to 248,616.57, 343,090.89 and 135,439.32

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Solution

The fourth proportional to 248,616.57, 343,090.89 and 135,439.32 is: 186,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,616.57 : 343,090.89 = 135,439.32 : x
  2. Step 2: Convert to fraction form
    248,616.57/343,090.89 = 135,439.32/x
  3. Step 3: Cross multiply
    248,616.57x = 343,090.89 × 135,439.32
  4. Step 4: Simplify right side
    248,616.57x = 46,467,998,126.39
  5. Step 5: Solve for x
    x = 46,467,998,126.39/248,616.57
  6. Step 6: Final answer
    x = 186,906.28

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1.5x scale

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.