Home / 170,049.08-254,964.27-81,300.62

Finding the Fourth Proportional to 170,049.08, 254,964.27 and 81,300.62

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Solution

The fourth proportional to 170,049.08, 254,964.27 and 81,300.62 is: 121,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,049.08 : 254,964.27 = 81,300.62 : x
  2. Step 2: Convert to fraction form
    170,049.08/254,964.27 = 81,300.62/x
  3. Step 3: Cross multiply
    170,049.08x = 254,964.27 × 81,300.62
  4. Step 4: Simplify right side
    170,049.08x = 20,728,754,171.14
  5. Step 5: Solve for x
    x = 20,728,754,171.14/170,049.08
  6. Step 6: Final answer
    x = 121,898.65

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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.