Home / 78,181.00-117,177.64-36,003.18

Finding the Fourth Proportional to 78,181.00, 117,177.64 and 36,003.18

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Solution

The fourth proportional to 78,181.00, 117,177.64 and 36,003.18 is: 53,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,181.00 : 117,177.64 = 36,003.18 : x
  2. Step 2: Convert to fraction form
    78,181.00/117,177.64 = 36,003.18/x
  3. Step 3: Cross multiply
    78,181.00x = 117,177.64 × 36,003.18
  4. Step 4: Simplify right side
    78,181.00x = 4,218,768,014.30
  5. Step 5: Solve for x
    x = 4,218,768,014.30/78,181.00
  6. Step 6: Final answer
    x = 53,961.55

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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.