Home / 248,340.54-342,699.78-140,908.26

Finding the Fourth Proportional to 248,340.54, 342,699.78 and 140,908.26

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Solution

The fourth proportional to 248,340.54, 342,699.78 and 140,908.26 is: 194,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,340.54 : 342,699.78 = 140,908.26 : x
  2. Step 2: Convert to fraction form
    248,340.54/342,699.78 = 140,908.26/x
  3. Step 3: Cross multiply
    248,340.54x = 342,699.78 × 140,908.26
  4. Step 4: Simplify right side
    248,340.54x = 48,289,229,702.18
  5. Step 5: Solve for x
    x = 48,289,229,702.18/248,340.54
  6. Step 6: Final answer
    x = 194,447.63

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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.