Home / 118,919.42-178,374.45-38,963.38

Finding the Fourth Proportional to 118,919.42, 178,374.45 and 38,963.38

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Solution

The fourth proportional to 118,919.42, 178,374.45 and 38,963.38 is: 58,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,919.42 : 178,374.45 = 38,963.38 : x
  2. Step 2: Convert to fraction form
    118,919.42/178,374.45 = 38,963.38/x
  3. Step 3: Cross multiply
    118,919.42x = 178,374.45 × 38,963.38
  4. Step 4: Simplify right side
    118,919.42x = 6,950,071,512.27
  5. Step 5: Solve for x
    x = 6,950,071,512.27/118,919.42
  6. Step 6: Final answer
    x = 58,443.54

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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.