Home / 185,985.44-278,981.32-80,804.44

Finding the Fourth Proportional to 185,985.44, 278,981.32 and 80,804.44

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Solution

The fourth proportional to 185,985.44, 278,981.32 and 80,804.44 is: 121,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,985.44 : 278,981.32 = 80,804.44 : x
  2. Step 2: Convert to fraction form
    185,985.44/278,981.32 = 80,804.44/x
  3. Step 3: Cross multiply
    185,985.44x = 278,981.32 × 80,804.44
  4. Step 4: Simplify right side
    185,985.44x = 22,542,929,333.06
  5. Step 5: Solve for x
    x = 22,542,929,333.06/185,985.44
  6. Step 6: Final answer
    x = 121,208.03

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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.