Home / 195,713.58-270,080.16-115,146.29

Finding the Fourth Proportional to 195,713.58, 270,080.16 and 115,146.29

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Solution

The fourth proportional to 195,713.58, 270,080.16 and 115,146.29 is: 158,899.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,713.58 : 270,080.16 = 115,146.29 : x
  2. Step 2: Convert to fraction form
    195,713.58/270,080.16 = 115,146.29/x
  3. Step 3: Cross multiply
    195,713.58x = 270,080.16 × 115,146.29
  4. Step 4: Simplify right side
    195,713.58x = 31,098,728,426.61
  5. Step 5: Solve for x
    x = 31,098,728,426.61/195,713.58
  6. Step 6: Final answer
    x = 158,899.19

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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.