Home / 203,504.03-280,815.54-112,858.41

Finding the Fourth Proportional to 203,504.03, 280,815.54 and 112,858.41

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Solution

The fourth proportional to 203,504.03, 280,815.54 and 112,858.41 is: 155,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,504.03 : 280,815.54 = 112,858.41 : x
  2. Step 2: Convert to fraction form
    203,504.03/280,815.54 = 112,858.41/x
  3. Step 3: Cross multiply
    203,504.03x = 280,815.54 × 112,858.41
  4. Step 4: Simplify right side
    203,504.03x = 31,692,395,347.69
  5. Step 5: Solve for x
    x = 31,692,395,347.69/203,504.03
  6. Step 6: Final answer
    x = 155,733.50

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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.