Home / 142,057.36-212,882.96-104,321.44

Finding the Fourth Proportional to 142,057.36, 212,882.96 and 104,321.44

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Solution

The fourth proportional to 142,057.36, 212,882.96 and 104,321.44 is: 156,333.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,057.36 : 212,882.96 = 104,321.44 : x
  2. Step 2: Convert to fraction form
    142,057.36/212,882.96 = 104,321.44/x
  3. Step 3: Cross multiply
    142,057.36x = 212,882.96 × 104,321.44
  4. Step 4: Simplify right side
    142,057.36x = 22,208,256,938.66
  5. Step 5: Solve for x
    x = 22,208,256,938.66/142,057.36
  6. Step 6: Final answer
    x = 156,333.03

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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.