Home / 118,144.30-163,039.41-67,157.37

Finding the Fourth Proportional to 118,144.30, 163,039.41 and 67,157.37

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Solution

The fourth proportional to 118,144.30, 163,039.41 and 67,157.37 is: 92,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,144.30 : 163,039.41 = 67,157.37 : x
  2. Step 2: Convert to fraction form
    118,144.30/163,039.41 = 67,157.37/x
  3. Step 3: Cross multiply
    118,144.30x = 163,039.41 × 67,157.37
  4. Step 4: Simplify right side
    118,144.30x = 10,949,297,981.95
  5. Step 5: Solve for x
    x = 10,949,297,981.95/118,144.30
  6. Step 6: Final answer
    x = 92,677.33

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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.