Home / 254,722.20-351,499.56-139,998.36

Finding the Fourth Proportional to 254,722.20, 351,499.56 and 139,998.36

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Solution

The fourth proportional to 254,722.20, 351,499.56 and 139,998.36 is: 193,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,722.20 : 351,499.56 = 139,998.36 : x
  2. Step 2: Convert to fraction form
    254,722.20/351,499.56 = 139,998.36/x
  3. Step 3: Cross multiply
    254,722.20x = 351,499.56 × 139,998.36
  4. Step 4: Simplify right side
    254,722.20x = 49,209,361,940.72
  5. Step 5: Solve for x
    x = 49,209,361,940.72/254,722.20
  6. Step 6: Final answer
    x = 193,188.35

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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.