Home / 163,287.44-225,361.26-99,662.21

Finding the Fourth Proportional to 163,287.44, 225,361.26 and 99,662.21

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Solution

The fourth proportional to 163,287.44, 225,361.26 and 99,662.21 is: 137,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,287.44 : 225,361.26 = 99,662.21 : x
  2. Step 2: Convert to fraction form
    163,287.44/225,361.26 = 99,662.21/x
  3. Step 3: Cross multiply
    163,287.44x = 225,361.26 × 99,662.21
  4. Step 4: Simplify right side
    163,287.44x = 22,460,000,093.18
  5. Step 5: Solve for x
    x = 22,460,000,093.18/163,287.44
  6. Step 6: Final answer
    x = 137,548.86

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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.