Home / 248,840.20-343,404.63-139,946.62

Finding the Fourth Proportional to 248,840.20, 343,404.63 and 139,946.62

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Solution

The fourth proportional to 248,840.20, 343,404.63 and 139,946.62 is: 193,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.20 : 343,404.63 = 139,946.62 : x
  2. Step 2: Convert to fraction form
    248,840.20/343,404.63 = 139,946.62/x
  3. Step 3: Cross multiply
    248,840.20x = 343,404.63 × 139,946.62
  4. Step 4: Simplify right side
    248,840.20x = 48,058,317,260.85
  5. Step 5: Solve for x
    x = 48,058,317,260.85/248,840.20
  6. Step 6: Final answer
    x = 193,129.23

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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.