Home / 141,072.96-211,668.81-87,809.49

Finding the Fourth Proportional to 141,072.96, 211,668.81 and 87,809.49

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Solution

The fourth proportional to 141,072.96, 211,668.81 and 87,809.49 is: 131,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.96 : 211,668.81 = 87,809.49 : x
  2. Step 2: Convert to fraction form
    141,072.96/211,668.81 = 87,809.49/x
  3. Step 3: Cross multiply
    141,072.96x = 211,668.81 × 87,809.49
  4. Step 4: Simplify right side
    141,072.96x = 18,586,530,255.01
  5. Step 5: Solve for x
    x = 18,586,530,255.01/141,072.96
  6. Step 6: Final answer
    x = 131,751.19

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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.