Home / 84,091.47-126,159.89-27,940.65

Finding the Fourth Proportional to 84,091.47, 126,159.89 and 27,940.65

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Solution

The fourth proportional to 84,091.47, 126,159.89 and 27,940.65 is: 41,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.47 : 126,159.89 = 27,940.65 : x
  2. Step 2: Convert to fraction form
    84,091.47/126,159.89 = 27,940.65/x
  3. Step 3: Cross multiply
    84,091.47x = 126,159.89 × 27,940.65
  4. Step 4: Simplify right side
    84,091.47x = 3,524,989,190.83
  5. Step 5: Solve for x
    x = 3,524,989,190.83/84,091.47
  6. Step 6: Final answer
    x = 41,918.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.