Home / 220,247.08-303,939.30-119,645.80

Finding the Fourth Proportional to 220,247.08, 303,939.30 and 119,645.80

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Solution

The fourth proportional to 220,247.08, 303,939.30 and 119,645.80 is: 165,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,247.08 : 303,939.30 = 119,645.80 : x
  2. Step 2: Convert to fraction form
    220,247.08/303,939.30 = 119,645.80/x
  3. Step 3: Cross multiply
    220,247.08x = 303,939.30 × 119,645.80
  4. Step 4: Simplify right side
    220,247.08x = 36,365,060,699.94
  5. Step 5: Solve for x
    x = 36,365,060,699.94/220,247.08
  6. Step 6: Final answer
    x = 165,110.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.