Home / 252,896.03-348,992.45-138,172.21

Finding the Fourth Proportional to 252,896.03, 348,992.45 and 138,172.21

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Solution

The fourth proportional to 252,896.03, 348,992.45 and 138,172.21 is: 190,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,896.03 : 348,992.45 = 138,172.21 : x
  2. Step 2: Convert to fraction form
    252,896.03/348,992.45 = 138,172.21/x
  3. Step 3: Cross multiply
    252,896.03x = 348,992.45 × 138,172.21
  4. Step 4: Simplify right side
    252,896.03x = 48,221,059,307.73
  5. Step 5: Solve for x
    x = 48,221,059,307.73/252,896.03
  6. Step 6: Final answer
    x = 190,675.43

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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.