Home / 118,939.32-178,408.98-40,046.94

Finding the Fourth Proportional to 118,939.32, 178,408.98 and 40,046.94

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Solution

The fourth proportional to 118,939.32, 178,408.98 and 40,046.94 is: 60,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,939.32 : 178,408.98 = 40,046.94 : x
  2. Step 2: Convert to fraction form
    118,939.32/178,408.98 = 40,046.94/x
  3. Step 3: Cross multiply
    118,939.32x = 178,408.98 × 40,046.94
  4. Step 4: Simplify right side
    118,939.32x = 7,144,733,717.52
  5. Step 5: Solve for x
    x = 7,144,733,717.52/118,939.32
  6. Step 6: Final answer
    x = 60,070.41

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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.