Home / 170,080.20-255,120.30-151,709.40

Finding the Fourth Proportional to 170,080.20, 255,120.30 and 151,709.40

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Solution

The fourth proportional to 170,080.20, 255,120.30 and 151,709.40 is: 227,564.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080.20 : 255,120.30 = 151,709.40 : x
  2. Step 2: Convert to fraction form
    170,080.20/255,120.30 = 151,709.40/x
  3. Step 3: Cross multiply
    170,080.20x = 255,120.30 × 151,709.40
  4. Step 4: Simplify right side
    170,080.20x = 38,704,147,640.82
  5. Step 5: Solve for x
    x = 38,704,147,640.82/170,080.20
  6. Step 6: Final answer
    x = 227,564.10

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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.