Home / 115,975.98-158,847.66-109,167.12

Finding the Fourth Proportional to 115,975.98, 158,847.66 and 109,167.12

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Solution

The fourth proportional to 115,975.98, 158,847.66 and 109,167.12 is: 149,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,975.98 : 158,847.66 = 109,167.12 : x
  2. Step 2: Convert to fraction form
    115,975.98/158,847.66 = 109,167.12/x
  3. Step 3: Cross multiply
    115,975.98x = 158,847.66 × 109,167.12
  4. Step 4: Simplify right side
    115,975.98x = 17,340,941,560.94
  5. Step 5: Solve for x
    x = 17,340,941,560.94/115,975.98
  6. Step 6: Final answer
    x = 149,521.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.