Home / 203,669.31-281,084.40-113,025.90

Finding the Fourth Proportional to 203,669.31, 281,084.40 and 113,025.90

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Solution

The fourth proportional to 203,669.31, 281,084.40 and 113,025.90 is: 155,987.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,669.31 : 281,084.40 = 113,025.90 : x
  2. Step 2: Convert to fraction form
    203,669.31/281,084.40 = 113,025.90/x
  3. Step 3: Cross multiply
    203,669.31x = 281,084.40 × 113,025.90
  4. Step 4: Simplify right side
    203,669.31x = 31,769,817,285.96
  5. Step 5: Solve for x
    x = 31,769,817,285.96/203,669.31
  6. Step 6: Final answer
    x = 155,987.26

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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.