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Finding the Fourth Proportional to 159,805.51, 220,544.07 and 91,846.20

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Solution

The fourth proportional to 159,805.51, 220,544.07 and 91,846.20 is: 126,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,805.51 : 220,544.07 = 91,846.20 : x
  2. Step 2: Convert to fraction form
    159,805.51/220,544.07 = 91,846.20/x
  3. Step 3: Cross multiply
    159,805.51x = 220,544.07 × 91,846.20
  4. Step 4: Simplify right side
    159,805.51x = 20,256,135,244.65
  5. Step 5: Solve for x
    x = 20,256,135,244.65/159,805.51
  6. Step 6: Final answer
    x = 126,754.93

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1.5x scale

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.