Home / 248,636.09-343,117.85-135,458.84

Finding the Fourth Proportional to 248,636.09, 343,117.85 and 135,458.84

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Solution

The fourth proportional to 248,636.09, 343,117.85 and 135,458.84 is: 186,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,636.09 : 343,117.85 = 135,458.84 : x
  2. Step 2: Convert to fraction form
    248,636.09/343,117.85 = 135,458.84/x
  3. Step 3: Cross multiply
    248,636.09x = 343,117.85 × 135,458.84
  4. Step 4: Simplify right side
    248,636.09x = 46,478,343,551.41
  5. Step 5: Solve for x
    x = 46,478,343,551.41/248,636.09
  6. Step 6: Final answer
    x = 186,933.22

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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.