Home / 248,918.86-343,498.89-135,739.18

Finding the Fourth Proportional to 248,918.86, 343,498.89 and 135,739.18

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Solution

The fourth proportional to 248,918.86, 343,498.89 and 135,739.18 is: 187,315.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,918.86 : 343,498.89 = 135,739.18 : x
  2. Step 2: Convert to fraction form
    248,918.86/343,498.89 = 135,739.18/x
  3. Step 3: Cross multiply
    248,918.86x = 343,498.89 × 135,739.18
  4. Step 4: Simplify right side
    248,918.86x = 46,626,257,659.51
  5. Step 5: Solve for x
    x = 46,626,257,659.51/248,918.86
  6. Step 6: Final answer
    x = 187,315.09

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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.