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Finding the Fourth Proportional to 135,763.16, 203,379.84 and 88,873.88

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Solution

The fourth proportional to 135,763.16, 203,379.84 and 88,873.88 is: 133,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,763.16 : 203,379.84 = 88,873.88 : x
  2. Step 2: Convert to fraction form
    135,763.16/203,379.84 = 88,873.88/x
  3. Step 3: Cross multiply
    135,763.16x = 203,379.84 × 88,873.88
  4. Step 4: Simplify right side
    135,763.16x = 18,075,154,477.68
  5. Step 5: Solve for x
    x = 18,075,154,477.68/135,763.16
  6. Step 6: Final answer
    x = 133,137.41

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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.