Home / 89,220.49-133,821.62-30,056.67

Finding the Fourth Proportional to 89,220.49, 133,821.62 and 30,056.67

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Solution

The fourth proportional to 89,220.49, 133,821.62 and 30,056.67 is: 45,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,220.49 : 133,821.62 = 30,056.67 : x
  2. Step 2: Convert to fraction form
    89,220.49/133,821.62 = 30,056.67/x
  3. Step 3: Cross multiply
    89,220.49x = 133,821.62 × 30,056.67
  4. Step 4: Simplify right side
    89,220.49x = 4,022,232,233.63
  5. Step 5: Solve for x
    x = 4,022,232,233.63/89,220.49
  6. Step 6: Final answer
    x = 45,081.94

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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.