Home / 189,942.12-284,905.26-49,697.64

Finding the Fourth Proportional to 189,942.12, 284,905.26 and 49,697.64

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Solution

The fourth proportional to 189,942.12, 284,905.26 and 49,697.64 is: 74,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,942.12 : 284,905.26 = 49,697.64 : x
  2. Step 2: Convert to fraction form
    189,942.12/284,905.26 = 49,697.64/x
  3. Step 3: Cross multiply
    189,942.12x = 284,905.26 × 49,697.64
  4. Step 4: Simplify right side
    189,942.12x = 14,159,119,045.59
  5. Step 5: Solve for x
    x = 14,159,119,045.59/189,942.12
  6. Step 6: Final answer
    x = 74,544.39

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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.