Home / 124,748.56-172,155.60-68,163.68

Finding the Fourth Proportional to 124,748.56, 172,155.60 and 68,163.68

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Solution

The fourth proportional to 124,748.56, 172,155.60 and 68,163.68 is: 94,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.56 : 172,155.60 = 68,163.68 : x
  2. Step 2: Convert to fraction form
    124,748.56/172,155.60 = 68,163.68/x
  3. Step 3: Cross multiply
    124,748.56x = 172,155.60 × 68,163.68
  4. Step 4: Simplify right side
    124,748.56x = 11,734,759,228.61
  5. Step 5: Solve for x
    x = 11,734,759,228.61/124,748.56
  6. Step 6: Final answer
    x = 94,067.29

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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.