Home / 104,940.56-157,383.51-30,043.20

Finding the Fourth Proportional to 104,940.56, 157,383.51 and 30,043.20

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Solution

The fourth proportional to 104,940.56, 157,383.51 and 30,043.20 is: 45,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,940.56 : 157,383.51 = 30,043.20 : x
  2. Step 2: Convert to fraction form
    104,940.56/157,383.51 = 30,043.20/x
  3. Step 3: Cross multiply
    104,940.56x = 157,383.51 × 30,043.20
  4. Step 4: Simplify right side
    104,940.56x = 4,728,304,745.16
  5. Step 5: Solve for x
    x = 4,728,304,745.16/104,940.56
  6. Step 6: Final answer
    x = 45,056.98

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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.