Home / 168,027.30-251,778.47-142,964.28

Finding the Fourth Proportional to 168,027.30, 251,778.47 and 142,964.28

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Solution

The fourth proportional to 168,027.30, 251,778.47 and 142,964.28 is: 214,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027.30 : 251,778.47 = 142,964.28 : x
  2. Step 2: Convert to fraction form
    168,027.30/251,778.47 = 142,964.28/x
  3. Step 3: Cross multiply
    168,027.30x = 251,778.47 × 142,964.28
  4. Step 4: Simplify right side
    168,027.30x = 35,995,326,968.23
  5. Step 5: Solve for x
    x = 35,995,326,968.23/168,027.30
  6. Step 6: Final answer
    x = 214,223.09

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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.