Home / 118,868.64-178,374.24-43,976.04

Finding the Fourth Proportional to 118,868.64, 178,374.24 and 43,976.04

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Solution

The fourth proportional to 118,868.64, 178,374.24 and 43,976.04 is: 65,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.64 : 178,374.24 = 43,976.04 : x
  2. Step 2: Convert to fraction form
    118,868.64/178,374.24 = 43,976.04/x
  3. Step 3: Cross multiply
    118,868.64x = 178,374.24 × 43,976.04
  4. Step 4: Simplify right side
    118,868.64x = 7,844,192,713.21
  5. Step 5: Solve for x
    x = 7,844,192,713.21/118,868.64
  6. Step 6: Final answer
    x = 65,990.43

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1.5x scale

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.