Home / 115,185.83-172,767.07-30,935.05

Finding the Fourth Proportional to 115,185.83, 172,767.07 and 30,935.05

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Solution

The fourth proportional to 115,185.83, 172,767.07 and 30,935.05 is: 46,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,185.83 : 172,767.07 = 30,935.05 : x
  2. Step 2: Convert to fraction form
    115,185.83/172,767.07 = 30,935.05/x
  3. Step 3: Cross multiply
    115,185.83x = 172,767.07 × 30,935.05
  4. Step 4: Simplify right side
    115,185.83x = 5,344,557,555.55
  5. Step 5: Solve for x
    x = 5,344,557,555.55/115,185.83
  6. Step 6: Final answer
    x = 46,399.44

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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.