Home / 141,855.09-212,786.34-36,673.75

Finding the Fourth Proportional to 141,855.09, 212,786.34 and 36,673.75

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Solution

The fourth proportional to 141,855.09, 212,786.34 and 36,673.75 is: 55,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,855.09 : 212,786.34 = 36,673.75 : x
  2. Step 2: Convert to fraction form
    141,855.09/212,786.34 = 36,673.75/x
  3. Step 3: Cross multiply
    141,855.09x = 212,786.34 × 36,673.75
  4. Step 4: Simplify right side
    141,855.09x = 7,803,673,036.58
  5. Step 5: Solve for x
    x = 7,803,673,036.58/141,855.09
  6. Step 6: Final answer
    x = 55,011.58

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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.