Home / 92,954.20-139,431.30-30,616.60

Finding the Fourth Proportional to 92,954.20, 139,431.30 and 30,616.60

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Solution

The fourth proportional to 92,954.20, 139,431.30 and 30,616.60 is: 45,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954.20 : 139,431.30 = 30,616.60 : x
  2. Step 2: Convert to fraction form
    92,954.20/139,431.30 = 30,616.60/x
  3. Step 3: Cross multiply
    92,954.20x = 139,431.30 × 30,616.60
  4. Step 4: Simplify right side
    92,954.20x = 4,268,912,339.58
  5. Step 5: Solve for x
    x = 4,268,912,339.58/92,954.20
  6. Step 6: Final answer
    x = 45,924.90

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1.5x scale

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.