Home / 115,619.00-159,558.86-67,220.69

Finding the Fourth Proportional to 115,619.00, 159,558.86 and 67,220.69

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Solution

The fourth proportional to 115,619.00, 159,558.86 and 67,220.69 is: 92,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,619.00 : 159,558.86 = 67,220.69 : x
  2. Step 2: Convert to fraction form
    115,619.00/159,558.86 = 67,220.69/x
  3. Step 3: Cross multiply
    115,619.00x = 159,558.86 × 67,220.69
  4. Step 4: Simplify right side
    115,619.00x = 10,725,656,035.07
  5. Step 5: Solve for x
    x = 10,725,656,035.07/115,619.00
  6. Step 6: Final answer
    x = 92,767.25

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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.