Home / 115,558.26-159,454.38-64,564.59

Finding the Fourth Proportional to 115,558.26, 159,454.38 and 64,564.59

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Solution

The fourth proportional to 115,558.26, 159,454.38 and 64,564.59 is: 89,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.26 : 159,454.38 = 64,564.59 : x
  2. Step 2: Convert to fraction form
    115,558.26/159,454.38 = 64,564.59/x
  3. Step 3: Cross multiply
    115,558.26x = 159,454.38 × 64,564.59
  4. Step 4: Simplify right side
    115,558.26x = 10,295,106,668.40
  5. Step 5: Solve for x
    x = 10,295,106,668.40/115,558.26
  6. Step 6: Final answer
    x = 89,090.18

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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.