Home / 110,205.45-165,245.94-100,801.35

Finding the Fourth Proportional to 110,205.45, 165,245.94 and 100,801.35

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Solution

The fourth proportional to 110,205.45, 165,245.94 and 100,801.35 is: 151,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,205.45 : 165,245.94 = 100,801.35 : x
  2. Step 2: Convert to fraction form
    110,205.45/165,245.94 = 100,801.35/x
  3. Step 3: Cross multiply
    110,205.45x = 165,245.94 × 100,801.35
  4. Step 4: Simplify right side
    110,205.45x = 16,657,013,834.02
  5. Step 5: Solve for x
    x = 16,657,013,834.02/110,205.45
  6. Step 6: Final answer
    x = 151,145.10

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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.