Home / 220,528.55-304,282.53-129,851.44

Finding the Fourth Proportional to 220,528.55, 304,282.53 and 129,851.44

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Solution

The fourth proportional to 220,528.55, 304,282.53 and 129,851.44 is: 179,167.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,528.55 : 304,282.53 = 129,851.44 : x
  2. Step 2: Convert to fraction form
    220,528.55/304,282.53 = 129,851.44/x
  3. Step 3: Cross multiply
    220,528.55x = 304,282.53 × 129,851.44
  4. Step 4: Simplify right side
    220,528.55x = 39,511,523,926.64
  5. Step 5: Solve for x
    x = 39,511,523,926.64/220,528.55
  6. Step 6: Final answer
    x = 179,167.38

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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.