Home / 89,965.36-134,800.33-30,768.73

Finding the Fourth Proportional to 89,965.36, 134,800.33 and 30,768.73

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Solution

The fourth proportional to 89,965.36, 134,800.33 and 30,768.73 is: 46,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,965.36 : 134,800.33 = 30,768.73 : x
  2. Step 2: Convert to fraction form
    89,965.36/134,800.33 = 30,768.73/x
  3. Step 3: Cross multiply
    89,965.36x = 134,800.33 × 30,768.73
  4. Step 4: Simplify right side
    89,965.36x = 4,147,634,957.68
  5. Step 5: Solve for x
    x = 4,147,634,957.68/89,965.36
  6. Step 6: Final answer
    x = 46,102.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.