Home / 141,072.66-211,668.34-87,809.18

Finding the Fourth Proportional to 141,072.66, 211,668.34 and 87,809.18

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Solution

The fourth proportional to 141,072.66, 211,668.34 and 87,809.18 is: 131,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,072.66 : 211,668.34 = 87,809.18 : x
  2. Step 2: Convert to fraction form
    141,072.66/211,668.34 = 87,809.18/x
  3. Step 3: Cross multiply
    141,072.66x = 211,668.34 × 87,809.18
  4. Step 4: Simplify right side
    141,072.66x = 18,586,423,367.36
  5. Step 5: Solve for x
    x = 18,586,423,367.36/141,072.66
  6. Step 6: Final answer
    x = 131,750.71

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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.