Home / 90,244.63-135,261.23-31,027.96

Finding the Fourth Proportional to 90,244.63, 135,261.23 and 31,027.96

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Solution

The fourth proportional to 90,244.63, 135,261.23 and 31,027.96 is: 46,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,244.63 : 135,261.23 = 31,027.96 : x
  2. Step 2: Convert to fraction form
    90,244.63/135,261.23 = 31,027.96/x
  3. Step 3: Cross multiply
    90,244.63x = 135,261.23 × 31,027.96
  4. Step 4: Simplify right side
    90,244.63x = 4,196,879,357.68
  5. Step 5: Solve for x
    x = 4,196,879,357.68/90,244.63
  6. Step 6: Final answer
    x = 46,505.59

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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.