Home / 141,239.08-211,855.38-71,099.56

Finding the Fourth Proportional to 141,239.08, 211,855.38 and 71,099.56

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Solution

The fourth proportional to 141,239.08, 211,855.38 and 71,099.56 is: 106,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,239.08 : 211,855.38 = 71,099.56 : x
  2. Step 2: Convert to fraction form
    141,239.08/211,855.38 = 71,099.56/x
  3. Step 3: Cross multiply
    141,239.08x = 211,855.38 × 71,099.56
  4. Step 4: Simplify right side
    141,239.08x = 15,062,824,301.63
  5. Step 5: Solve for x
    x = 15,062,824,301.63/141,239.08
  6. Step 6: Final answer
    x = 106,647.71

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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.