Home / 212,889.72-319,241.86-61,053.24

Finding the Fourth Proportional to 212,889.72, 319,241.86 and 61,053.24

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Solution

The fourth proportional to 212,889.72, 319,241.86 and 61,053.24 is: 91,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,889.72 : 319,241.86 = 61,053.24 : x
  2. Step 2: Convert to fraction form
    212,889.72/319,241.86 = 61,053.24/x
  3. Step 3: Cross multiply
    212,889.72x = 319,241.86 × 61,053.24
  4. Step 4: Simplify right side
    212,889.72x = 19,490,749,896.63
  5. Step 5: Solve for x
    x = 19,490,749,896.63/212,889.72
  6. Step 6: Final answer
    x = 91,553.27

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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.