Home / 248,781.96-343,315.62-135,605.16

Finding the Fourth Proportional to 248,781.96, 343,315.62 and 135,605.16

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Solution

The fourth proportional to 248,781.96, 343,315.62 and 135,605.16 is: 187,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,781.96 : 343,315.62 = 135,605.16 : x
  2. Step 2: Convert to fraction form
    248,781.96/343,315.62 = 135,605.16/x
  3. Step 3: Cross multiply
    248,781.96x = 343,315.62 × 135,605.16
  4. Step 4: Simplify right side
    248,781.96x = 46,555,369,580.60
  5. Step 5: Solve for x
    x = 46,555,369,580.60/248,781.96
  6. Step 6: Final answer
    x = 187,133.22

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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.