Home / 142,051.36-212,873.96-104,315.44

Finding the Fourth Proportional to 142,051.36, 212,873.96 and 104,315.44

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Solution

The fourth proportional to 142,051.36, 212,873.96 and 104,315.44 is: 156,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,051.36 : 212,873.96 = 104,315.44 : x
  2. Step 2: Convert to fraction form
    142,051.36/212,873.96 = 104,315.44/x
  3. Step 3: Cross multiply
    142,051.36x = 212,873.96 × 104,315.44
  4. Step 4: Simplify right side
    142,051.36x = 22,206,040,801.94
  5. Step 5: Solve for x
    x = 22,206,040,801.94/142,051.36
  6. Step 6: Final answer
    x = 156,324.03

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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.