Home / 248,400.90-342,783.63-140,964.54

Finding the Fourth Proportional to 248,400.90, 342,783.63 and 140,964.54

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Solution

The fourth proportional to 248,400.90, 342,783.63 and 140,964.54 is: 194,525.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,400.90 : 342,783.63 = 140,964.54 : x
  2. Step 2: Convert to fraction form
    248,400.90/342,783.63 = 140,964.54/x
  3. Step 3: Cross multiply
    248,400.90x = 342,783.63 × 140,964.54
  4. Step 4: Simplify right side
    248,400.90x = 48,320,336,722.48
  5. Step 5: Solve for x
    x = 48,320,336,722.48/248,400.90
  6. Step 6: Final answer
    x = 194,525.61

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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.