Home / 110,189.21-165,280.77-74,083.05

Finding the Fourth Proportional to 110,189.21, 165,280.77 and 74,083.05

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Solution

The fourth proportional to 110,189.21, 165,280.77 and 74,083.05 is: 111,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,189.21 : 165,280.77 = 74,083.05 : x
  2. Step 2: Convert to fraction form
    110,189.21/165,280.77 = 74,083.05/x
  3. Step 3: Cross multiply
    110,189.21x = 165,280.77 × 74,083.05
  4. Step 4: Simplify right side
    110,189.21x = 12,244,503,547.95
  5. Step 5: Solve for x
    x = 12,244,503,547.95/110,189.21
  6. Step 6: Final answer
    x = 111,122.53

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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.