Home / 124,352.45-171,634.06-79,021.58

Finding the Fourth Proportional to 124,352.45, 171,634.06 and 79,021.58

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Solution

The fourth proportional to 124,352.45, 171,634.06 and 79,021.58 is: 109,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,352.45 : 171,634.06 = 79,021.58 : x
  2. Step 2: Convert to fraction form
    124,352.45/171,634.06 = 79,021.58/x
  3. Step 3: Cross multiply
    124,352.45x = 171,634.06 × 79,021.58
  4. Step 4: Simplify right side
    124,352.45x = 13,562,794,603.01
  5. Step 5: Solve for x
    x = 13,562,794,603.01/124,352.45
  6. Step 6: Final answer
    x = 109,067.37

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1.5x scale

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.