Home / 124,740.67-172,093.26-76,910.98

Finding the Fourth Proportional to 124,740.67, 172,093.26 and 76,910.98

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Solution

The fourth proportional to 124,740.67, 172,093.26 and 76,910.98 is: 106,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,740.67 : 172,093.26 = 76,910.98 : x
  2. Step 2: Convert to fraction form
    124,740.67/172,093.26 = 76,910.98/x
  3. Step 3: Cross multiply
    124,740.67x = 172,093.26 × 76,910.98
  4. Step 4: Simplify right side
    124,740.67x = 13,235,861,277.99
  5. Step 5: Solve for x
    x = 13,235,861,277.99/124,740.67
  6. Step 6: Final answer
    x = 106,107.02

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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.