Home / 248,100.24-342,375.12-134,920.56

Finding the Fourth Proportional to 248,100.24, 342,375.12 and 134,920.56

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Solution

The fourth proportional to 248,100.24, 342,375.12 and 134,920.56 is: 186,188.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,100.24 : 342,375.12 = 134,920.56 : x
  2. Step 2: Convert to fraction form
    248,100.24/342,375.12 = 134,920.56/x
  3. Step 3: Cross multiply
    248,100.24x = 342,375.12 × 134,920.56
  4. Step 4: Simplify right side
    248,100.24x = 46,193,442,920.47
  5. Step 5: Solve for x
    x = 46,193,442,920.47/248,100.24
  6. Step 6: Final answer
    x = 186,188.63

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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.