Home / 281,181.36-421,776.92-103,596.96

Finding the Fourth Proportional to 281,181.36, 421,776.92 and 103,596.96

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Solution

The fourth proportional to 281,181.36, 421,776.92 and 103,596.96 is: 155,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,181.36 : 421,776.92 = 103,596.96 : x
  2. Step 2: Convert to fraction form
    281,181.36/421,776.92 = 103,596.96/x
  3. Step 3: Cross multiply
    281,181.36x = 421,776.92 × 103,596.96
  4. Step 4: Simplify right side
    281,181.36x = 43,694,806,710.16
  5. Step 5: Solve for x
    x = 43,694,806,710.16/281,181.36
  6. Step 6: Final answer
    x = 155,397.24

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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.