Home / 220,266.30-303,971.27-124,770.62

Finding the Fourth Proportional to 220,266.30, 303,971.27 and 124,770.62

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Solution

The fourth proportional to 220,266.30, 303,971.27 and 124,770.62 is: 172,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,266.30 : 303,971.27 = 124,770.62 : x
  2. Step 2: Convert to fraction form
    220,266.30/303,971.27 = 124,770.62/x
  3. Step 3: Cross multiply
    220,266.30x = 303,971.27 × 124,770.62
  4. Step 4: Simplify right side
    220,266.30x = 37,926,683,820.09
  5. Step 5: Solve for x
    x = 37,926,683,820.09/220,266.30
  6. Step 6: Final answer
    x = 172,185.59

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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.