Home / 205,739.60-283,914.04-115,093.60

Finding the Fourth Proportional to 205,739.60, 283,914.04 and 115,093.60

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Solution

The fourth proportional to 205,739.60, 283,914.04 and 115,093.60 is: 158,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,739.60 : 283,914.04 = 115,093.60 : x
  2. Step 2: Convert to fraction form
    205,739.60/283,914.04 = 115,093.60/x
  3. Step 3: Cross multiply
    205,739.60x = 283,914.04 × 115,093.60
  4. Step 4: Simplify right side
    205,739.60x = 32,676,688,954.14
  5. Step 5: Solve for x
    x = 32,676,688,954.14/205,739.60
  6. Step 6: Final answer
    x = 158,825.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.