Home / 89,847.45-134,771.18-54,855.45

Finding the Fourth Proportional to 89,847.45, 134,771.18 and 54,855.45

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Solution

The fourth proportional to 89,847.45, 134,771.18 and 54,855.45 is: 82,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.45 : 134,771.18 = 54,855.45 : x
  2. Step 2: Convert to fraction form
    89,847.45/134,771.18 = 54,855.45/x
  3. Step 3: Cross multiply
    89,847.45x = 134,771.18 × 54,855.45
  4. Step 4: Simplify right side
    89,847.45x = 7,392,933,451.65
  5. Step 5: Solve for x
    x = 7,392,933,451.65/89,847.45
  6. Step 6: Final answer
    x = 82,283.18

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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.