Home / 118,898.86-178,348.62-30,152.42

Finding the Fourth Proportional to 118,898.86, 178,348.62 and 30,152.42

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Solution

The fourth proportional to 118,898.86, 178,348.62 and 30,152.42 is: 45,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,898.86 : 178,348.62 = 30,152.42 : x
  2. Step 2: Convert to fraction form
    118,898.86/178,348.62 = 30,152.42/x
  3. Step 3: Cross multiply
    118,898.86x = 178,348.62 × 30,152.42
  4. Step 4: Simplify right side
    118,898.86x = 5,377,642,496.66
  5. Step 5: Solve for x
    x = 5,377,642,496.66/118,898.86
  6. Step 6: Final answer
    x = 45,228.71

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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.