Home / 137,727.56-206,626.07-66,684.23

Finding the Fourth Proportional to 137,727.56, 206,626.07 and 66,684.23

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Solution

The fourth proportional to 137,727.56, 206,626.07 and 66,684.23 is: 100,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,727.56 : 206,626.07 = 66,684.23 : x
  2. Step 2: Convert to fraction form
    137,727.56/206,626.07 = 66,684.23/x
  3. Step 3: Cross multiply
    137,727.56x = 206,626.07 × 66,684.23
  4. Step 4: Simplify right side
    137,727.56x = 13,778,700,284.30
  5. Step 5: Solve for x
    x = 13,778,700,284.30/137,727.56
  6. Step 6: Final answer
    x = 100,043.16

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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.