Home / 140,741.31-211,082.75-51,934.07

Finding the Fourth Proportional to 140,741.31, 211,082.75 and 51,934.07

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Solution

The fourth proportional to 140,741.31, 211,082.75 and 51,934.07 is: 77,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.31 : 211,082.75 = 51,934.07 : x
  2. Step 2: Convert to fraction form
    140,741.31/211,082.75 = 51,934.07/x
  3. Step 3: Cross multiply
    140,741.31x = 211,082.75 × 51,934.07
  4. Step 4: Simplify right side
    140,741.31x = 10,962,387,000.88
  5. Step 5: Solve for x
    x = 10,962,387,000.88/140,741.31
  6. Step 6: Final answer
    x = 77,890.33

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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.