Home / 141,321.80-211,982.70-140,337.65

Finding the Fourth Proportional to 141,321.80, 211,982.70 and 140,337.65

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Solution

The fourth proportional to 141,321.80, 211,982.70 and 140,337.65 is: 210,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.80 : 211,982.70 = 140,337.65 : x
  2. Step 2: Convert to fraction form
    141,321.80/211,982.70 = 140,337.65/x
  3. Step 3: Cross multiply
    141,321.80x = 211,982.70 × 140,337.65
  4. Step 4: Simplify right side
    141,321.80x = 29,749,153,958.66
  5. Step 5: Solve for x
    x = 29,749,153,958.66/141,321.80
  6. Step 6: Final answer
    x = 210,506.48

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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.