Home / 102,190.64-153,234.43-31,099.64

Finding the Fourth Proportional to 102,190.64, 153,234.43 and 31,099.64

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Solution

The fourth proportional to 102,190.64, 153,234.43 and 31,099.64 is: 46,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,190.64 : 153,234.43 = 31,099.64 : x
  2. Step 2: Convert to fraction form
    102,190.64/153,234.43 = 31,099.64/x
  3. Step 3: Cross multiply
    102,190.64x = 153,234.43 × 31,099.64
  4. Step 4: Simplify right side
    102,190.64x = 4,765,534,764.68
  5. Step 5: Solve for x
    x = 4,765,534,764.68/102,190.64
  6. Step 6: Final answer
    x = 46,633.77

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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.