Home / 220,210.08-303,888.24-119,608.80

Finding the Fourth Proportional to 220,210.08, 303,888.24 and 119,608.80

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Solution

The fourth proportional to 220,210.08, 303,888.24 and 119,608.80 is: 165,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,210.08 : 303,888.24 = 119,608.80 : x
  2. Step 2: Convert to fraction form
    220,210.08/303,888.24 = 119,608.80/x
  3. Step 3: Cross multiply
    220,210.08x = 303,888.24 × 119,608.80
  4. Step 4: Simplify right side
    220,210.08x = 36,347,707,720.51
  5. Step 5: Solve for x
    x = 36,347,707,720.51/220,210.08
  6. Step 6: Final answer
    x = 165,059.24

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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.