Home / 205,126.20-307,689.30-171,948.60

Finding the Fourth Proportional to 205,126.20, 307,689.30 and 171,948.60

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Solution

The fourth proportional to 205,126.20, 307,689.30 and 171,948.60 is: 257,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,126.20 : 307,689.30 = 171,948.60 : x
  2. Step 2: Convert to fraction form
    205,126.20/307,689.30 = 171,948.60/x
  3. Step 3: Cross multiply
    205,126.20x = 307,689.30 × 171,948.60
  4. Step 4: Simplify right side
    205,126.20x = 52,906,744,369.98
  5. Step 5: Solve for x
    x = 52,906,744,369.98/205,126.20
  6. Step 6: Final answer
    x = 257,922.90

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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.