Home / 82,177.80-113,408.58-48,181.56

Finding the Fourth Proportional to 82,177.80, 113,408.58 and 48,181.56

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Solution

The fourth proportional to 82,177.80, 113,408.58 and 48,181.56 is: 66,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,177.80 : 113,408.58 = 48,181.56 : x
  2. Step 2: Convert to fraction form
    82,177.80/113,408.58 = 48,181.56/x
  3. Step 3: Cross multiply
    82,177.80x = 113,408.58 × 48,181.56
  4. Step 4: Simplify right side
    82,177.80x = 5,464,202,301.78
  5. Step 5: Solve for x
    x = 5,464,202,301.78/82,177.80
  6. Step 6: Final answer
    x = 66,492.44

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1.5x scale

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.