Home / 118,956.80-178,438.34-46,906.70

Finding the Fourth Proportional to 118,956.80, 178,438.34 and 46,906.70

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Solution

The fourth proportional to 118,956.80, 178,438.34 and 46,906.70 is: 70,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,956.80 : 178,438.34 = 46,906.70 : x
  2. Step 2: Convert to fraction form
    118,956.80/178,438.34 = 46,906.70/x
  3. Step 3: Cross multiply
    118,956.80x = 178,438.34 × 46,906.70
  4. Step 4: Simplify right side
    118,956.80x = 8,369,952,907.95
  5. Step 5: Solve for x
    x = 8,369,952,907.95/118,956.80
  6. Step 6: Final answer
    x = 70,361.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.