Home / 103,450.93-154,961.11-99,882.07

Finding the Fourth Proportional to 103,450.93, 154,961.11 and 99,882.07

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Solution

The fourth proportional to 103,450.93, 154,961.11 and 99,882.07 is: 149,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450.93 : 154,961.11 = 99,882.07 : x
  2. Step 2: Convert to fraction form
    103,450.93/154,961.11 = 99,882.07/x
  3. Step 3: Cross multiply
    103,450.93x = 154,961.11 × 99,882.07
  4. Step 4: Simplify right side
    103,450.93x = 15,477,836,436.30
  5. Step 5: Solve for x
    x = 15,477,836,436.30/103,450.93
  6. Step 6: Final answer
    x = 149,615.25

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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.