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Finding the Fourth Proportional to 113,467.40, 171,050.75 and 105,855.56

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Solution

The fourth proportional to 113,467.40, 171,050.75 and 105,855.56 is: 159,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,467.40 : 171,050.75 = 105,855.56 : x
  2. Step 2: Convert to fraction form
    113,467.40/171,050.75 = 105,855.56/x
  3. Step 3: Cross multiply
    113,467.40x = 171,050.75 × 105,855.56
  4. Step 4: Simplify right side
    113,467.40x = 18,106,672,929.67
  5. Step 5: Solve for x
    x = 18,106,672,929.67/113,467.40
  6. Step 6: Final answer
    x = 159,575.99

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.