Home / 140,971.75-211,488.77-69,933.03

Finding the Fourth Proportional to 140,971.75, 211,488.77 and 69,933.03

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Solution

The fourth proportional to 140,971.75, 211,488.77 and 69,933.03 is: 104,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,971.75 : 211,488.77 = 69,933.03 : x
  2. Step 2: Convert to fraction form
    140,971.75/211,488.77 = 69,933.03/x
  3. Step 3: Cross multiply
    140,971.75x = 211,488.77 × 69,933.03
  4. Step 4: Simplify right side
    140,971.75x = 14,790,051,365.85
  5. Step 5: Solve for x
    x = 14,790,051,365.85/140,971.75
  6. Step 6: Final answer
    x = 104,915.00

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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.