Home / 140,861.12-211,299.38-35,681

Finding the Fourth Proportional to 140,861.12, 211,299.38 and 35,681

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Solution

The fourth proportional to 140,861.12, 211,299.38 and 35,681 is: 53,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,861.12 : 211,299.38 = 35,681 : x
  2. Step 2: Convert to fraction form
    140,861.12/211,299.38 = 35,681/x
  3. Step 3: Cross multiply
    140,861.12x = 211,299.38 × 35,681
  4. Step 4: Simplify right side
    140,861.12x = 7,539,372,999.38
  5. Step 5: Solve for x
    x = 7,539,372,999.38/140,861.12
  6. Step 6: Final answer
    x = 53,523.45

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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.