Home / 118,910.32-178,365.48-40,017.94

Finding the Fourth Proportional to 118,910.32, 178,365.48 and 40,017.94

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Solution

The fourth proportional to 118,910.32, 178,365.48 and 40,017.94 is: 60,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,910.32 : 178,365.48 = 40,017.94 : x
  2. Step 2: Convert to fraction form
    118,910.32/178,365.48 = 40,017.94/x
  3. Step 3: Cross multiply
    118,910.32x = 178,365.48 × 40,017.94
  4. Step 4: Simplify right side
    118,910.32x = 7,137,819,076.71
  5. Step 5: Solve for x
    x = 7,137,819,076.71/118,910.32
  6. Step 6: Final answer
    x = 60,026.91

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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.