Home / 189,414.42-284,037.93-71,002.70

Finding the Fourth Proportional to 189,414.42, 284,037.93 and 71,002.70

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Solution

The fourth proportional to 189,414.42, 284,037.93 and 71,002.70 is: 106,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.42 : 284,037.93 = 71,002.70 : x
  2. Step 2: Convert to fraction form
    189,414.42/284,037.93 = 71,002.70/x
  3. Step 3: Cross multiply
    189,414.42x = 284,037.93 × 71,002.70
  4. Step 4: Simplify right side
    189,414.42x = 20,167,459,488.58
  5. Step 5: Solve for x
    x = 20,167,459,488.58/189,414.42
  6. Step 6: Final answer
    x = 106,472.67

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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.