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Finding the Fourth Proportional to 172,891.09, 259,274.25 and 73,059.00

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Solution

The fourth proportional to 172,891.09, 259,274.25 and 73,059.00 is: 109,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,891.09 : 259,274.25 = 73,059.00 : x
  2. Step 2: Convert to fraction form
    172,891.09/259,274.25 = 73,059.00/x
  3. Step 3: Cross multiply
    172,891.09x = 259,274.25 × 73,059.00
  4. Step 4: Simplify right side
    172,891.09x = 18,942,316,458.47
  5. Step 5: Solve for x
    x = 18,942,316,458.47/172,891.09
  6. Step 6: Final answer
    x = 109,562.13

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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.