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Finding the Fourth Proportional to 103,254.22, 154,927.79 and 55,813.76

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Solution

The fourth proportional to 103,254.22, 154,927.79 and 55,813.76 is: 83,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,254.22 : 154,927.79 = 55,813.76 : x
  2. Step 2: Convert to fraction form
    103,254.22/154,927.79 = 55,813.76/x
  3. Step 3: Cross multiply
    103,254.22x = 154,927.79 × 55,813.76
  4. Step 4: Simplify right side
    103,254.22x = 8,647,102,224.96
  5. Step 5: Solve for x
    x = 8,647,102,224.96/103,254.22
  6. Step 6: Final answer
    x = 83,745.75

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1.5x scale

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.