Home / 140,150.54-210,100.82-51,383.36

Finding the Fourth Proportional to 140,150.54, 210,100.82 and 51,383.36

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Solution

The fourth proportional to 140,150.54, 210,100.82 and 51,383.36 is: 77,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,150.54 : 210,100.82 = 51,383.36 : x
  2. Step 2: Convert to fraction form
    140,150.54/210,100.82 = 51,383.36/x
  3. Step 3: Cross multiply
    140,150.54x = 210,100.82 × 51,383.36
  4. Step 4: Simplify right side
    140,150.54x = 10,795,686,070.36
  5. Step 5: Solve for x
    x = 10,795,686,070.36/140,150.54
  6. Step 6: Final answer
    x = 77,029.21

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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.