Home / 124,998.39-172,493.55-68,408.55

Finding the Fourth Proportional to 124,998.39, 172,493.55 and 68,408.55

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Solution

The fourth proportional to 124,998.39, 172,493.55 and 68,408.55 is: 94,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,998.39 : 172,493.55 = 68,408.55 : x
  2. Step 2: Convert to fraction form
    124,998.39/172,493.55 = 68,408.55/x
  3. Step 3: Cross multiply
    124,998.39x = 172,493.55 × 68,408.55
  4. Step 4: Simplify right side
    124,998.39x = 11,800,033,639.85
  5. Step 5: Solve for x
    x = 11,800,033,639.85/124,998.39
  6. Step 6: Final answer
    x = 94,401.49

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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.