Home / 77,633.26-116,366.84-40,155.60

Finding the Fourth Proportional to 77,633.26, 116,366.84 and 40,155.60

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Solution

The fourth proportional to 77,633.26, 116,366.84 and 40,155.60 is: 60,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,633.26 : 116,366.84 = 40,155.60 : x
  2. Step 2: Convert to fraction form
    77,633.26/116,366.84 = 40,155.60/x
  3. Step 3: Cross multiply
    77,633.26x = 116,366.84 × 40,155.60
  4. Step 4: Simplify right side
    77,633.26x = 4,672,780,280.30
  5. Step 5: Solve for x
    x = 4,672,780,280.30/77,633.26
  6. Step 6: Final answer
    x = 60,190.44

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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.