Home / 140,996.50-211,212.77-84,805.58

Finding the Fourth Proportional to 140,996.50, 211,212.77 and 84,805.58

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Solution

The fourth proportional to 140,996.50, 211,212.77 and 84,805.58 is: 127,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.50 : 211,212.77 = 84,805.58 : x
  2. Step 2: Convert to fraction form
    140,996.50/211,212.77 = 84,805.58/x
  3. Step 3: Cross multiply
    140,996.50x = 211,212.77 × 84,805.58
  4. Step 4: Simplify right side
    140,996.50x = 17,912,021,567.26
  5. Step 5: Solve for x
    x = 17,912,021,567.26/140,996.50
  6. Step 6: Final answer
    x = 127,038.77

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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.