Home / 165,403.05-228,172.03-108,075.93

Finding the Fourth Proportional to 165,403.05, 228,172.03 and 108,075.93

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Solution

The fourth proportional to 165,403.05, 228,172.03 and 108,075.93 is: 149,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,403.05 : 228,172.03 = 108,075.93 : x
  2. Step 2: Convert to fraction form
    165,403.05/228,172.03 = 108,075.93/x
  3. Step 3: Cross multiply
    165,403.05x = 228,172.03 × 108,075.93
  4. Step 4: Simplify right side
    165,403.05x = 24,659,904,342.24
  5. Step 5: Solve for x
    x = 24,659,904,342.24/165,403.05
  6. Step 6: Final answer
    x = 149,089.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.