Home / 89,226.50-133,858.20-30,066.78

Finding the Fourth Proportional to 89,226.50, 133,858.20 and 30,066.78

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Solution

The fourth proportional to 89,226.50, 133,858.20 and 30,066.78 is: 45,106.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,226.50 : 133,858.20 = 30,066.78 : x
  2. Step 2: Convert to fraction form
    89,226.50/133,858.20 = 30,066.78/x
  3. Step 3: Cross multiply
    89,226.50x = 133,858.20 × 30,066.78
  4. Step 4: Simplify right side
    89,226.50x = 4,024,685,050.60
  5. Step 5: Solve for x
    x = 4,024,685,050.60/89,226.50
  6. Step 6: Final answer
    x = 45,106.39

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Double scale
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Similar ratio
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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.