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Finding the Fourth Proportional to 169,704.20, 254,556.30 and 143,460.20

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Solution

The fourth proportional to 169,704.20, 254,556.30 and 143,460.20 is: 215,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,704.20 : 254,556.30 = 143,460.20 : x
  2. Step 2: Convert to fraction form
    169,704.20/254,556.30 = 143,460.20/x
  3. Step 3: Cross multiply
    169,704.20x = 254,556.30 × 143,460.20
  4. Step 4: Simplify right side
    169,704.20x = 36,518,697,709.26
  5. Step 5: Solve for x
    x = 36,518,697,709.26/169,704.20
  6. Step 6: Final answer
    x = 215,190.30

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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.