Home / 120,984.62-181,513.85-61,861.82

Finding the Fourth Proportional to 120,984.62, 181,513.85 and 61,861.82

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Solution

The fourth proportional to 120,984.62, 181,513.85 and 61,861.82 is: 92,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,984.62 : 181,513.85 = 61,861.82 : x
  2. Step 2: Convert to fraction form
    120,984.62/181,513.85 = 61,861.82/x
  3. Step 3: Cross multiply
    120,984.62x = 181,513.85 × 61,861.82
  4. Step 4: Simplify right side
    120,984.62x = 11,228,775,899.33
  5. Step 5: Solve for x
    x = 11,228,775,899.33/120,984.62
  6. Step 6: Final answer
    x = 92,811.60

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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.