Home / 248,654.12-343,149.36-135,484.16

Finding the Fourth Proportional to 248,654.12, 343,149.36 and 135,484.16

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Solution

The fourth proportional to 248,654.12, 343,149.36 and 135,484.16 is: 186,971.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,654.12 : 343,149.36 = 135,484.16 : x
  2. Step 2: Convert to fraction form
    248,654.12/343,149.36 = 135,484.16/x
  3. Step 3: Cross multiply
    248,654.12x = 343,149.36 × 135,484.16
  4. Step 4: Simplify right side
    248,654.12x = 46,491,302,794.14
  5. Step 5: Solve for x
    x = 46,491,302,794.14/248,654.12
  6. Step 6: Final answer
    x = 186,971.78

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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.