Home / 115,992.26-160,080.55-65,013.65

Finding the Fourth Proportional to 115,992.26, 160,080.55 and 65,013.65

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Solution

The fourth proportional to 115,992.26, 160,080.55 and 65,013.65 is: 89,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,992.26 : 160,080.55 = 65,013.65 : x
  2. Step 2: Convert to fraction form
    115,992.26/160,080.55 = 65,013.65/x
  3. Step 3: Cross multiply
    115,992.26x = 160,080.55 × 65,013.65
  4. Step 4: Simplify right side
    115,992.26x = 10,407,420,049.10
  5. Step 5: Solve for x
    x = 10,407,420,049.10/115,992.26
  6. Step 6: Final answer
    x = 89,725.13

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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.