Home / 125,072.39-172,601.94-68,480.12

Finding the Fourth Proportional to 125,072.39, 172,601.94 and 68,480.12

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Solution

The fourth proportional to 125,072.39, 172,601.94 and 68,480.12 is: 94,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,072.39 : 172,601.94 = 68,480.12 : x
  2. Step 2: Convert to fraction form
    125,072.39/172,601.94 = 68,480.12/x
  3. Step 3: Cross multiply
    125,072.39x = 172,601.94 × 68,480.12
  4. Step 4: Simplify right side
    125,072.39x = 11,819,800,700.42
  5. Step 5: Solve for x
    x = 11,819,800,700.42/125,072.39
  6. Step 6: Final answer
    x = 94,503.68

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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.