Home / 72,182.15-108,246.25-24,783.78

Finding the Fourth Proportional to 72,182.15, 108,246.25 and 24,783.78

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Solution

The fourth proportional to 72,182.15, 108,246.25 and 24,783.78 is: 37,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182.15 : 108,246.25 = 24,783.78 : x
  2. Step 2: Convert to fraction form
    72,182.15/108,246.25 = 24,783.78/x
  3. Step 3: Cross multiply
    72,182.15x = 108,246.25 × 24,783.78
  4. Step 4: Simplify right side
    72,182.15x = 2,682,751,121.91
  5. Step 5: Solve for x
    x = 2,682,751,121.91/72,182.15
  6. Step 6: Final answer
    x = 37,166.41

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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.