Home / 173,450.22-239,435.09-105,489.00

Finding the Fourth Proportional to 173,450.22, 239,435.09 and 105,489.00

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Solution

The fourth proportional to 173,450.22, 239,435.09 and 105,489.00 is: 145,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,450.22 : 239,435.09 = 105,489.00 : x
  2. Step 2: Convert to fraction form
    173,450.22/239,435.09 = 105,489.00/x
  3. Step 3: Cross multiply
    173,450.22x = 239,435.09 × 105,489.00
  4. Step 4: Simplify right side
    173,450.22x = 25,257,769,370.61
  5. Step 5: Solve for x
    x = 25,257,769,370.61/173,450.22
  6. Step 6: Final answer
    x = 145,619.71

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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.