Home / 118,869.64-178,375.74-43,977.04

Finding the Fourth Proportional to 118,869.64, 178,375.74 and 43,977.04

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Solution

The fourth proportional to 118,869.64, 178,375.74 and 43,977.04 is: 65,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,869.64 : 178,375.74 = 43,977.04 : x
  2. Step 2: Convert to fraction form
    118,869.64/178,375.74 = 43,977.04/x
  3. Step 3: Cross multiply
    118,869.64x = 178,375.74 × 43,977.04
  4. Step 4: Simplify right side
    118,869.64x = 7,844,437,053.01
  5. Step 5: Solve for x
    x = 7,844,437,053.01/118,869.64
  6. Step 6: Final answer
    x = 65,991.93

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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.