Home / 220,289.80-303,996.18-119,687.08

Finding the Fourth Proportional to 220,289.80, 303,996.18 and 119,687.08

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Solution

The fourth proportional to 220,289.80, 303,996.18 and 119,687.08 is: 165,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,289.80 : 303,996.18 = 119,687.08 : x
  2. Step 2: Convert to fraction form
    220,289.80/303,996.18 = 119,687.08/x
  3. Step 3: Cross multiply
    220,289.80x = 303,996.18 × 119,687.08
  4. Step 4: Simplify right side
    220,289.80x = 36,384,415,115.35
  5. Step 5: Solve for x
    x = 36,384,415,115.35/220,289.80
  6. Step 6: Final answer
    x = 165,166.14

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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.