Home / 141,217.82-211,762.13-84,317.55

Finding the Fourth Proportional to 141,217.82, 211,762.13 and 84,317.55

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Solution

The fourth proportional to 141,217.82, 211,762.13 and 84,317.55 is: 126,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.82 : 211,762.13 = 84,317.55 : x
  2. Step 2: Convert to fraction form
    141,217.82/211,762.13 = 84,317.55/x
  3. Step 3: Cross multiply
    141,217.82x = 211,762.13 × 84,317.55
  4. Step 4: Simplify right side
    141,217.82x = 17,855,263,562.79
  5. Step 5: Solve for x
    x = 17,855,263,562.79/141,217.82
  6. Step 6: Final answer
    x = 126,437.76

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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.