Home / 203,742.60-281,448.32-193,778.16

Finding the Fourth Proportional to 203,742.60, 281,448.32 and 193,778.16

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Solution

The fourth proportional to 203,742.60, 281,448.32 and 193,778.16 is: 267,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,742.60 : 281,448.32 = 193,778.16 : x
  2. Step 2: Convert to fraction form
    203,742.60/281,448.32 = 193,778.16/x
  3. Step 3: Cross multiply
    203,742.60x = 281,448.32 × 193,778.16
  4. Step 4: Simplify right side
    203,742.60x = 54,538,537,584.69
  5. Step 5: Solve for x
    x = 54,538,537,584.69/203,742.60
  6. Step 6: Final answer
    x = 267,683.53

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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.