Home / 172,577.99-258,493.07-83,645.46

Finding the Fourth Proportional to 172,577.99, 258,493.07 and 83,645.46

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Solution

The fourth proportional to 172,577.99, 258,493.07 and 83,645.46 is: 125,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,577.99 : 258,493.07 = 83,645.46 : x
  2. Step 2: Convert to fraction form
    172,577.99/258,493.07 = 83,645.46/x
  3. Step 3: Cross multiply
    172,577.99x = 258,493.07 × 83,645.46
  4. Step 4: Simplify right side
    172,577.99x = 21,621,771,956.08
  5. Step 5: Solve for x
    x = 21,621,771,956.08/172,577.99
  6. Step 6: Final answer
    x = 125,286.96

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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.