Home / 115,470.06-159,345.63-64,481.37

Finding the Fourth Proportional to 115,470.06, 159,345.63 and 64,481.37

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Solution

The fourth proportional to 115,470.06, 159,345.63 and 64,481.37 is: 88,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470.06 : 159,345.63 = 64,481.37 : x
  2. Step 2: Convert to fraction form
    115,470.06/159,345.63 = 64,481.37/x
  3. Step 3: Cross multiply
    115,470.06x = 159,345.63 × 64,481.37
  4. Step 4: Simplify right side
    115,470.06x = 10,274,824,525.91
  5. Step 5: Solve for x
    x = 10,274,824,525.91/115,470.06
  6. Step 6: Final answer
    x = 88,982.59

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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.