Home / 165,079.20-247,618.80-123,088.80

Finding the Fourth Proportional to 165,079.20, 247,618.80 and 123,088.80

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Solution

The fourth proportional to 165,079.20, 247,618.80 and 123,088.80 is: 184,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079.20 : 247,618.80 = 123,088.80 : x
  2. Step 2: Convert to fraction form
    165,079.20/247,618.80 = 123,088.80/x
  3. Step 3: Cross multiply
    165,079.20x = 247,618.80 × 123,088.80
  4. Step 4: Simplify right side
    165,079.20x = 30,479,100,949.44
  5. Step 5: Solve for x
    x = 30,479,100,949.44/165,079.20
  6. Step 6: Final answer
    x = 184,633.20

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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.