Home / 81,440.22-122,185.84-24,516.38

Finding the Fourth Proportional to 81,440.22, 122,185.84 and 24,516.38

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Solution

The fourth proportional to 81,440.22, 122,185.84 and 24,516.38 is: 36,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,440.22 : 122,185.84 = 24,516.38 : x
  2. Step 2: Convert to fraction form
    81,440.22/122,185.84 = 24,516.38/x
  3. Step 3: Cross multiply
    81,440.22x = 122,185.84 × 24,516.38
  4. Step 4: Simplify right side
    81,440.22x = 2,995,554,484.06
  5. Step 5: Solve for x
    x = 2,995,554,484.06/81,440.22
  6. Step 6: Final answer
    x = 36,782.25

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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.