Home / 78,137.15-117,216.90-24,106.41

Finding the Fourth Proportional to 78,137.15, 117,216.90 and 24,106.41

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Solution

The fourth proportional to 78,137.15, 117,216.90 and 24,106.41 is: 36,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,137.15 : 117,216.90 = 24,106.41 : x
  2. Step 2: Convert to fraction form
    78,137.15/117,216.90 = 24,106.41/x
  3. Step 3: Cross multiply
    78,137.15x = 117,216.90 × 24,106.41
  4. Step 4: Simplify right side
    78,137.15x = 2,825,678,120.37
  5. Step 5: Solve for x
    x = 2,825,678,120.37/78,137.15
  6. Step 6: Final answer
    x = 36,163.05

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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.