Home / 220,275.41-303,995.09-124,782.89

Finding the Fourth Proportional to 220,275.41, 303,995.09 and 124,782.89

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Solution

The fourth proportional to 220,275.41, 303,995.09 and 124,782.89 is: 172,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,275.41 : 303,995.09 = 124,782.89 : x
  2. Step 2: Convert to fraction form
    220,275.41/303,995.09 = 124,782.89/x
  3. Step 3: Cross multiply
    220,275.41x = 303,995.09 × 124,782.89
  4. Step 4: Simplify right side
    220,275.41x = 37,933,384,667.99
  5. Step 5: Solve for x
    x = 37,933,384,667.99/220,275.41
  6. Step 6: Final answer
    x = 172,208.90

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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.