Home / 217,581.96-326,388.75-91,095

Finding the Fourth Proportional to 217,581.96, 326,388.75 and 91,095

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Solution

The fourth proportional to 217,581.96, 326,388.75 and 91,095 is: 136,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,581.96 : 326,388.75 = 91,095 : x
  2. Step 2: Convert to fraction form
    217,581.96/326,388.75 = 91,095/x
  3. Step 3: Cross multiply
    217,581.96x = 326,388.75 × 91,095
  4. Step 4: Simplify right side
    217,581.96x = 29,732,383,181.25
  5. Step 5: Solve for x
    x = 29,732,383,181.25/217,581.96
  6. Step 6: Final answer
    x = 136,649.12

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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.