Home / 206,085.26-309,146.79-63,931.62

Finding the Fourth Proportional to 206,085.26, 309,146.79 and 63,931.62

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Solution

The fourth proportional to 206,085.26, 309,146.79 and 63,931.62 is: 95,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,085.26 : 309,146.79 = 63,931.62 : x
  2. Step 2: Convert to fraction form
    206,085.26/309,146.79 = 63,931.62/x
  3. Step 3: Cross multiply
    206,085.26x = 309,146.79 × 63,931.62
  4. Step 4: Simplify right side
    206,085.26x = 19,764,255,102.50
  5. Step 5: Solve for x
    x = 19,764,255,102.50/206,085.26
  6. Step 6: Final answer
    x = 95,903.30

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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.