Home / 213,634.02-320,494.26-95,305.36

Finding the Fourth Proportional to 213,634.02, 320,494.26 and 95,305.36

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Solution

The fourth proportional to 213,634.02, 320,494.26 and 95,305.36 is: 142,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,634.02 : 320,494.26 = 95,305.36 : x
  2. Step 2: Convert to fraction form
    213,634.02/320,494.26 = 95,305.36/x
  3. Step 3: Cross multiply
    213,634.02x = 320,494.26 × 95,305.36
  4. Step 4: Simplify right side
    213,634.02x = 30,544,820,314.20
  5. Step 5: Solve for x
    x = 30,544,820,314.20/213,634.02
  6. Step 6: Final answer
    x = 142,977.32

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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.