Home / 181,075.40-271,418.70-68,712.20

Finding the Fourth Proportional to 181,075.40, 271,418.70 and 68,712.20

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Solution

The fourth proportional to 181,075.40, 271,418.70 and 68,712.20 is: 102,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,075.40 : 271,418.70 = 68,712.20 : x
  2. Step 2: Convert to fraction form
    181,075.40/271,418.70 = 68,712.20/x
  3. Step 3: Cross multiply
    181,075.40x = 271,418.70 × 68,712.20
  4. Step 4: Simplify right side
    181,075.40x = 18,649,775,998.14
  5. Step 5: Solve for x
    x = 18,649,775,998.14/181,075.40
  6. Step 6: Final answer
    x = 102,994.53

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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.