Home / 170,742.20-255,530.10-156,745.40

Finding the Fourth Proportional to 170,742.20, 255,530.10 and 156,745.40

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Solution

The fourth proportional to 170,742.20, 255,530.10 and 156,745.40 is: 234,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,742.20 : 255,530.10 = 156,745.40 : x
  2. Step 2: Convert to fraction form
    170,742.20/255,530.10 = 156,745.40/x
  3. Step 3: Cross multiply
    170,742.20x = 255,530.10 × 156,745.40
  4. Step 4: Simplify right side
    170,742.20x = 40,053,167,736.54
  5. Step 5: Solve for x
    x = 40,053,167,736.54/170,742.20
  6. Step 6: Final answer
    x = 234,582.71

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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.