Home / 214,893.14-322,404.11-86,743.45

Finding the Fourth Proportional to 214,893.14, 322,404.11 and 86,743.45

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Solution

The fourth proportional to 214,893.14, 322,404.11 and 86,743.45 is: 130,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,893.14 : 322,404.11 = 86,743.45 : x
  2. Step 2: Convert to fraction form
    214,893.14/322,404.11 = 86,743.45/x
  3. Step 3: Cross multiply
    214,893.14x = 322,404.11 × 86,743.45
  4. Step 4: Simplify right side
    214,893.14x = 27,966,444,795.58
  5. Step 5: Solve for x
    x = 27,966,444,795.58/214,893.14
  6. Step 6: Final answer
    x = 130,141.17

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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.