Home / 109,845.40-164,832.90-39,715.60

Finding the Fourth Proportional to 109,845.40, 164,832.90 and 39,715.60

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Solution

The fourth proportional to 109,845.40, 164,832.90 and 39,715.60 is: 59,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,845.40 : 164,832.90 = 39,715.60 : x
  2. Step 2: Convert to fraction form
    109,845.40/164,832.90 = 39,715.60/x
  3. Step 3: Cross multiply
    109,845.40x = 164,832.90 × 39,715.60
  4. Step 4: Simplify right side
    109,845.40x = 6,546,437,523.24
  5. Step 5: Solve for x
    x = 6,546,437,523.24/109,845.40
  6. Step 6: Final answer
    x = 59,596.83

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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.