Home / 143,893.10-215,716.58-55,210.25

Finding the Fourth Proportional to 143,893.10, 215,716.58 and 55,210.25

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Solution

The fourth proportional to 143,893.10, 215,716.58 and 55,210.25 is: 82,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,893.10 : 215,716.58 = 55,210.25 : x
  2. Step 2: Convert to fraction form
    143,893.10/215,716.58 = 55,210.25/x
  3. Step 3: Cross multiply
    143,893.10x = 215,716.58 × 55,210.25
  4. Step 4: Simplify right side
    143,893.10x = 11,909,766,310.95
  5. Step 5: Solve for x
    x = 11,909,766,310.95/143,893.10
  6. Step 6: Final answer
    x = 82,768.15

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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.