Home / 173,315.90-259,994.10-54,999.20

Finding the Fourth Proportional to 173,315.90, 259,994.10 and 54,999.20

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Solution

The fourth proportional to 173,315.90, 259,994.10 and 54,999.20 is: 82,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,315.90 : 259,994.10 = 54,999.20 : x
  2. Step 2: Convert to fraction form
    173,315.90/259,994.10 = 54,999.20/x
  3. Step 3: Cross multiply
    173,315.90x = 259,994.10 × 54,999.20
  4. Step 4: Simplify right side
    173,315.90x = 14,299,467,504.72
  5. Step 5: Solve for x
    x = 14,299,467,504.72/173,315.90
  6. Step 6: Final answer
    x = 82,505.23

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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.