Home / 110,276.90-165,415.35-100,600.10

Finding the Fourth Proportional to 110,276.90, 165,415.35 and 100,600.10

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Solution

The fourth proportional to 110,276.90, 165,415.35 and 100,600.10 is: 150,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,276.90 : 165,415.35 = 100,600.10 : x
  2. Step 2: Convert to fraction form
    110,276.90/165,415.35 = 100,600.10/x
  3. Step 3: Cross multiply
    110,276.90x = 165,415.35 × 100,600.10
  4. Step 4: Simplify right side
    110,276.90x = 16,640,800,751.54
  5. Step 5: Solve for x
    x = 16,640,800,751.54/110,276.90
  6. Step 6: Final answer
    x = 150,900.15

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1.5x scale

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.