Home / 173,271.82-259,659.87-78,266.11

Finding the Fourth Proportional to 173,271.82, 259,659.87 and 78,266.11

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Solution

The fourth proportional to 173,271.82, 259,659.87 and 78,266.11 is: 117,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,271.82 : 259,659.87 = 78,266.11 : x
  2. Step 2: Convert to fraction form
    173,271.82/259,659.87 = 78,266.11/x
  3. Step 3: Cross multiply
    173,271.82x = 259,659.87 × 78,266.11
  4. Step 4: Simplify right side
    173,271.82x = 20,322,567,948.01
  5. Step 5: Solve for x
    x = 20,322,567,948.01/173,271.82
  6. Step 6: Final answer
    x = 117,287.21

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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.