Home / 248,403.88-342,798.78-135,226.36

Finding the Fourth Proportional to 248,403.88, 342,798.78 and 135,226.36

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Solution

The fourth proportional to 248,403.88, 342,798.78 and 135,226.36 is: 186,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,403.88 : 342,798.78 = 135,226.36 : x
  2. Step 2: Convert to fraction form
    248,403.88/342,798.78 = 135,226.36/x
  3. Step 3: Cross multiply
    248,403.88x = 342,798.78 × 135,226.36
  4. Step 4: Simplify right side
    248,403.88x = 46,355,431,231.84
  5. Step 5: Solve for x
    x = 46,355,431,231.84/248,403.88
  6. Step 6: Final answer
    x = 186,613.15

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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.