Home / 248,514.30-342,953.64-135,336.96

Finding the Fourth Proportional to 248,514.30, 342,953.64 and 135,336.96

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Solution

The fourth proportional to 248,514.30, 342,953.64 and 135,336.96 is: 186,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,514.30 : 342,953.64 = 135,336.96 : x
  2. Step 2: Convert to fraction form
    248,514.30/342,953.64 = 135,336.96/x
  3. Step 3: Cross multiply
    248,514.30x = 342,953.64 × 135,336.96
  4. Step 4: Simplify right side
    248,514.30x = 46,414,303,058.53
  5. Step 5: Solve for x
    x = 46,414,303,058.53/248,514.30
  6. Step 6: Final answer
    x = 186,767.13

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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.