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Finding the Fourth Proportional to 171,672.40, 257,508.60 and 161,995.60

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Solution

The fourth proportional to 171,672.40, 257,508.60 and 161,995.60 is: 242,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,672.40 : 257,508.60 = 161,995.60 : x
  2. Step 2: Convert to fraction form
    171,672.40/257,508.60 = 161,995.60/x
  3. Step 3: Cross multiply
    171,672.40x = 257,508.60 × 161,995.60
  4. Step 4: Simplify right side
    171,672.40x = 41,715,260,162.16
  5. Step 5: Solve for x
    x = 41,715,260,162.16/171,672.40
  6. Step 6: Final answer
    x = 242,993.40

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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.