Home / 118,878.49-178,334.39-38,922.71

Finding the Fourth Proportional to 118,878.49, 178,334.39 and 38,922.71

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Solution

The fourth proportional to 118,878.49, 178,334.39 and 38,922.71 is: 58,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,878.49 : 178,334.39 = 38,922.71 : x
  2. Step 2: Convert to fraction form
    118,878.49/178,334.39 = 38,922.71/x
  3. Step 3: Cross multiply
    118,878.49x = 178,334.39 × 38,922.71
  4. Step 4: Simplify right side
    118,878.49x = 6,941,257,745.00
  5. Step 5: Solve for x
    x = 6,941,257,745.00/118,878.49
  6. Step 6: Final answer
    x = 58,389.52

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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.