Home / 220,019.30-303,601.44-123,209.66

Finding the Fourth Proportional to 220,019.30, 303,601.44 and 123,209.66

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Solution

The fourth proportional to 220,019.30, 303,601.44 and 123,209.66 is: 170,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,019.30 : 303,601.44 = 123,209.66 : x
  2. Step 2: Convert to fraction form
    220,019.30/303,601.44 = 123,209.66/x
  3. Step 3: Cross multiply
    220,019.30x = 303,601.44 × 123,209.66
  4. Step 4: Simplify right side
    220,019.30x = 37,406,630,197.91
  5. Step 5: Solve for x
    x = 37,406,630,197.91/220,019.30
  6. Step 6: Final answer
    x = 170,015.22

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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.