Home / 189,705.48-284,558.24-49,463.72

Finding the Fourth Proportional to 189,705.48, 284,558.24 and 49,463.72

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Solution

The fourth proportional to 189,705.48, 284,558.24 and 49,463.72 is: 74,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,705.48 : 284,558.24 = 49,463.72 : x
  2. Step 2: Convert to fraction form
    189,705.48/284,558.24 = 49,463.72/x
  3. Step 3: Cross multiply
    189,705.48x = 284,558.24 × 49,463.72
  4. Step 4: Simplify right side
    189,705.48x = 14,075,309,107.05
  5. Step 5: Solve for x
    x = 14,075,309,107.05/189,705.48
  6. Step 6: Final answer
    x = 74,195.59

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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.