Home / 206,927.08-310,370.46-66,786.28

Finding the Fourth Proportional to 206,927.08, 310,370.46 and 66,786.28

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Solution

The fourth proportional to 206,927.08, 310,370.46 and 66,786.28 is: 100,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,927.08 : 310,370.46 = 66,786.28 : x
  2. Step 2: Convert to fraction form
    206,927.08/310,370.46 = 66,786.28/x
  3. Step 3: Cross multiply
    206,927.08x = 310,370.46 × 66,786.28
  4. Step 4: Simplify right side
    206,927.08x = 20,728,488,445.29
  5. Step 5: Solve for x
    x = 20,728,488,445.29/206,927.08
  6. Step 6: Final answer
    x = 100,172.91

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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.