Home / 252,908.98-349,010.31-138,185.17

Finding the Fourth Proportional to 252,908.98, 349,010.31 and 138,185.17

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Solution

The fourth proportional to 252,908.98, 349,010.31 and 138,185.17 is: 190,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,908.98 : 349,010.31 = 138,185.17 : x
  2. Step 2: Convert to fraction form
    252,908.98/349,010.31 = 138,185.17/x
  3. Step 3: Cross multiply
    252,908.98x = 349,010.31 × 138,185.17
  4. Step 4: Simplify right side
    252,908.98x = 48,228,049,019.10
  5. Step 5: Solve for x
    x = 48,228,049,019.10/252,908.98
  6. Step 6: Final answer
    x = 190,693.30

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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.