Home / 115,566.56-159,481.06-64,579.42

Finding the Fourth Proportional to 115,566.56, 159,481.06 and 64,579.42

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Solution

The fourth proportional to 115,566.56, 159,481.06 and 64,579.42 is: 89,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,566.56 : 159,481.06 = 64,579.42 : x
  2. Step 2: Convert to fraction form
    115,566.56/159,481.06 = 64,579.42/x
  3. Step 3: Cross multiply
    115,566.56x = 159,481.06 × 64,579.42
  4. Step 4: Simplify right side
    115,566.56x = 10,299,194,355.79
  5. Step 5: Solve for x
    x = 10,299,194,355.79/115,566.56
  6. Step 6: Final answer
    x = 89,119.16

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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.