Home / 149,027.57-205,654.01-84,508.64

Finding the Fourth Proportional to 149,027.57, 205,654.01 and 84,508.64

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Solution

The fourth proportional to 149,027.57, 205,654.01 and 84,508.64 is: 116,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.57 : 205,654.01 = 84,508.64 : x
  2. Step 2: Convert to fraction form
    149,027.57/205,654.01 = 84,508.64/x
  3. Step 3: Cross multiply
    149,027.57x = 205,654.01 × 84,508.64
  4. Step 4: Simplify right side
    149,027.57x = 17,379,541,421.05
  5. Step 5: Solve for x
    x = 17,379,541,421.05/149,027.57
  6. Step 6: Final answer
    x = 116,619.64

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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.