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Finding the Fourth Proportional to 114,025.99, 171,066.82 and 80,357.68

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Solution

The fourth proportional to 114,025.99, 171,066.82 and 80,357.68 is: 120,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,025.99 : 171,066.82 = 80,357.68 : x
  2. Step 2: Convert to fraction form
    114,025.99/171,066.82 = 80,357.68/x
  3. Step 3: Cross multiply
    114,025.99x = 171,066.82 × 80,357.68
  4. Step 4: Simplify right side
    114,025.99x = 13,746,532,452.96
  5. Step 5: Solve for x
    x = 13,746,532,452.96/114,025.99
  6. Step 6: Final answer
    x = 120,556.14

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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.