Home / 89,255.46-133,883.70-30,091.68

Finding the Fourth Proportional to 89,255.46, 133,883.70 and 30,091.68

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Solution

The fourth proportional to 89,255.46, 133,883.70 and 30,091.68 is: 45,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.46 : 133,883.70 = 30,091.68 : x
  2. Step 2: Convert to fraction form
    89,255.46/133,883.70 = 30,091.68/x
  3. Step 3: Cross multiply
    89,255.46x = 133,883.70 × 30,091.68
  4. Step 4: Simplify right side
    89,255.46x = 4,028,785,457.62
  5. Step 5: Solve for x
    x = 4,028,785,457.62/89,255.46
  6. Step 6: Final answer
    x = 45,137.69

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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.