Home / 109,907.30-164,666.55-102,908.90

Finding the Fourth Proportional to 109,907.30, 164,666.55 and 102,908.90

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Solution

The fourth proportional to 109,907.30, 164,666.55 and 102,908.90 is: 154,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,907.30 : 164,666.55 = 102,908.90 : x
  2. Step 2: Convert to fraction form
    109,907.30/164,666.55 = 102,908.90/x
  3. Step 3: Cross multiply
    109,907.30x = 164,666.55 × 102,908.90
  4. Step 4: Simplify right side
    109,907.30x = 16,945,653,527.30
  5. Step 5: Solve for x
    x = 16,945,653,527.30/109,907.30
  6. Step 6: Final answer
    x = 154,181.33

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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.