Home / 118,784.28-178,174.92-28,827.73

Finding the Fourth Proportional to 118,784.28, 178,174.92 and 28,827.73

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Solution

The fourth proportional to 118,784.28, 178,174.92 and 28,827.73 is: 43,241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,784.28 : 178,174.92 = 28,827.73 : x
  2. Step 2: Convert to fraction form
    118,784.28/178,174.92 = 28,827.73/x
  3. Step 3: Cross multiply
    118,784.28x = 178,174.92 × 28,827.73
  4. Step 4: Simplify right side
    118,784.28x = 5,136,378,486.53
  5. Step 5: Solve for x
    x = 5,136,378,486.53/118,784.28
  6. Step 6: Final answer
    x = 43,241.23

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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.