Home / 270,118.46-405,431.93-137,094.19

Finding the Fourth Proportional to 270,118.46, 405,431.93 and 137,094.19

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Solution

The fourth proportional to 270,118.46, 405,431.93 and 137,094.19 is: 205,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,118.46 : 405,431.93 = 137,094.19 : x
  2. Step 2: Convert to fraction form
    270,118.46/405,431.93 = 137,094.19/x
  3. Step 3: Cross multiply
    270,118.46x = 405,431.93 × 137,094.19
  4. Step 4: Simplify right side
    270,118.46x = 55,582,361,372.64
  5. Step 5: Solve for x
    x = 55,582,361,372.64/270,118.46
  6. Step 6: Final answer
    x = 205,770.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.