Home / 151,318.91-208,464.90-105,299.44

Finding the Fourth Proportional to 151,318.91, 208,464.90 and 105,299.44

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Solution

The fourth proportional to 151,318.91, 208,464.90 and 105,299.44 is: 145,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,318.91 : 208,464.90 = 105,299.44 : x
  2. Step 2: Convert to fraction form
    151,318.91/208,464.90 = 105,299.44/x
  3. Step 3: Cross multiply
    151,318.91x = 208,464.90 × 105,299.44
  4. Step 4: Simplify right side
    151,318.91x = 21,951,237,229.66
  5. Step 5: Solve for x
    x = 21,951,237,229.66/151,318.91
  6. Step 6: Final answer
    x = 145,066.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.