Home / 185,633.96-278,450.60-67,305.10

Finding the Fourth Proportional to 185,633.96, 278,450.60 and 67,305.10

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Solution

The fourth proportional to 185,633.96, 278,450.60 and 67,305.10 is: 100,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,633.96 : 278,450.60 = 67,305.10 : x
  2. Step 2: Convert to fraction form
    185,633.96/278,450.60 = 67,305.10/x
  3. Step 3: Cross multiply
    185,633.96x = 278,450.60 × 67,305.10
  4. Step 4: Simplify right side
    185,633.96x = 18,741,145,478.06
  5. Step 5: Solve for x
    x = 18,741,145,478.06/185,633.96
  6. Step 6: Final answer
    x = 100,957.53

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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.