Home / 103,651.49-154,720.21-88,954.85

Finding the Fourth Proportional to 103,651.49, 154,720.21 and 88,954.85

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Solution

The fourth proportional to 103,651.49, 154,720.21 and 88,954.85 is: 132,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.49 : 154,720.21 = 88,954.85 : x
  2. Step 2: Convert to fraction form
    103,651.49/154,720.21 = 88,954.85/x
  3. Step 3: Cross multiply
    103,651.49x = 154,720.21 × 88,954.85
  4. Step 4: Simplify right side
    103,651.49x = 13,763,113,072.52
  5. Step 5: Solve for x
    x = 13,763,113,072.52/103,651.49
  6. Step 6: Final answer
    x = 132,782.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.