Home / 115,043.37-158,708.61-67,275.65

Finding the Fourth Proportional to 115,043.37, 158,708.61 and 67,275.65

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Solution

The fourth proportional to 115,043.37, 158,708.61 and 67,275.65 is: 92,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,043.37 : 158,708.61 = 67,275.65 : x
  2. Step 2: Convert to fraction form
    115,043.37/158,708.61 = 67,275.65/x
  3. Step 3: Cross multiply
    115,043.37x = 158,708.61 × 67,275.65
  4. Step 4: Simplify right side
    115,043.37x = 10,677,224,104.80
  5. Step 5: Solve for x
    x = 10,677,224,104.80/115,043.37
  6. Step 6: Final answer
    x = 92,810.43

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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.