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Finding the Fourth Proportional to 189,065.70, 283,926.60 and 100,492.20

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Solution

The fourth proportional to 189,065.70, 283,926.60 and 100,492.20 is: 150,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,065.70 : 283,926.60 = 100,492.20 : x
  2. Step 2: Convert to fraction form
    189,065.70/283,926.60 = 100,492.20/x
  3. Step 3: Cross multiply
    189,065.70x = 283,926.60 × 100,492.20
  4. Step 4: Simplify right side
    189,065.70x = 28,532,408,672.52
  5. Step 5: Solve for x
    x = 28,532,408,672.52/189,065.70
  6. Step 6: Final answer
    x = 150,912.67

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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.