Home / 212,852.73-319,186.55-61,016.37

Finding the Fourth Proportional to 212,852.73, 319,186.55 and 61,016.37

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Solution

The fourth proportional to 212,852.73, 319,186.55 and 61,016.37 is: 91,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,852.73 : 319,186.55 = 61,016.37 : x
  2. Step 2: Convert to fraction form
    212,852.73/319,186.55 = 61,016.37/x
  3. Step 3: Cross multiply
    212,852.73x = 319,186.55 × 61,016.37
  4. Step 4: Simplify right side
    212,852.73x = 19,475,604,633.82
  5. Step 5: Solve for x
    x = 19,475,604,633.82/212,852.73
  6. Step 6: Final answer
    x = 91,498.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.