Home / 281,459.55-422,190.18-68,226.63

Finding the Fourth Proportional to 281,459.55, 422,190.18 and 68,226.63

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Solution

The fourth proportional to 281,459.55, 422,190.18 and 68,226.63 is: 102,340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,459.55 : 422,190.18 = 68,226.63 : x
  2. Step 2: Convert to fraction form
    281,459.55/422,190.18 = 68,226.63/x
  3. Step 3: Cross multiply
    281,459.55x = 422,190.18 × 68,226.63
  4. Step 4: Simplify right side
    281,459.55x = 28,804,611,617.28
  5. Step 5: Solve for x
    x = 28,804,611,617.28/281,459.55
  6. Step 6: Final answer
    x = 102,340.15

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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.