Home / 230,555.58-318,195.86-139,906.32

Finding the Fourth Proportional to 230,555.58, 318,195.86 and 139,906.32

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Solution

The fourth proportional to 230,555.58, 318,195.86 and 139,906.32 is: 193,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,555.58 : 318,195.86 = 139,906.32 : x
  2. Step 2: Convert to fraction form
    230,555.58/318,195.86 = 139,906.32/x
  3. Step 3: Cross multiply
    230,555.58x = 318,195.86 × 139,906.32
  4. Step 4: Simplify right side
    230,555.58x = 44,517,611,112.30
  5. Step 5: Solve for x
    x = 44,517,611,112.30/230,555.58
  6. Step 6: Final answer
    x = 193,088.41

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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.