Home / 203,938.20-281,474.73-130,303.29

Finding the Fourth Proportional to 203,938.20, 281,474.73 and 130,303.29

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Solution

The fourth proportional to 203,938.20, 281,474.73 and 130,303.29 is: 179,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938.20 : 281,474.73 = 130,303.29 : x
  2. Step 2: Convert to fraction form
    203,938.20/281,474.73 = 130,303.29/x
  3. Step 3: Cross multiply
    203,938.20x = 281,474.73 × 130,303.29
  4. Step 4: Simplify right side
    203,938.20x = 36,677,083,370.86
  5. Step 5: Solve for x
    x = 36,677,083,370.86/203,938.20
  6. Step 6: Final answer
    x = 179,844.11

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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.