Home / 112,989.69-169,511.94-34,099.20

Finding the Fourth Proportional to 112,989.69, 169,511.94 and 34,099.20

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Solution

The fourth proportional to 112,989.69, 169,511.94 and 34,099.20 is: 51,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,989.69 : 169,511.94 = 34,099.20 : x
  2. Step 2: Convert to fraction form
    112,989.69/169,511.94 = 34,099.20/x
  3. Step 3: Cross multiply
    112,989.69x = 169,511.94 × 34,099.20
  4. Step 4: Simplify right side
    112,989.69x = 5,780,221,544.45
  5. Step 5: Solve for x
    x = 5,780,221,544.45/112,989.69
  6. Step 6: Final answer
    x = 51,157.07

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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.