Home / 189,414.36-284,037.84-71,002.64

Finding the Fourth Proportional to 189,414.36, 284,037.84 and 71,002.64

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Solution

The fourth proportional to 189,414.36, 284,037.84 and 71,002.64 is: 106,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.36 : 284,037.84 = 71,002.64 : x
  2. Step 2: Convert to fraction form
    189,414.36/284,037.84 = 71,002.64/x
  3. Step 3: Cross multiply
    189,414.36x = 284,037.84 × 71,002.64
  4. Step 4: Simplify right side
    189,414.36x = 20,167,435,079.71
  5. Step 5: Solve for x
    x = 20,167,435,079.71/189,414.36
  6. Step 6: Final answer
    x = 106,472.58

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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.