Home / 102,067.02-140,858.82-56,745.36

Finding the Fourth Proportional to 102,067.02, 140,858.82 and 56,745.36

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Solution

The fourth proportional to 102,067.02, 140,858.82 and 56,745.36 is: 78,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,067.02 : 140,858.82 = 56,745.36 : x
  2. Step 2: Convert to fraction form
    102,067.02/140,858.82 = 56,745.36/x
  3. Step 3: Cross multiply
    102,067.02x = 140,858.82 × 56,745.36
  4. Step 4: Simplify right side
    102,067.02x = 7,993,084,450.08
  5. Step 5: Solve for x
    x = 7,993,084,450.08/102,067.02
  6. Step 6: Final answer
    x = 78,312.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.