Home / 195,996.40-270,495.12-115,449.28

Finding the Fourth Proportional to 195,996.40, 270,495.12 and 115,449.28

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Solution

The fourth proportional to 195,996.40, 270,495.12 and 115,449.28 is: 159,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,996.40 : 270,495.12 = 115,449.28 : x
  2. Step 2: Convert to fraction form
    195,996.40/270,495.12 = 115,449.28/x
  3. Step 3: Cross multiply
    195,996.40x = 270,495.12 × 115,449.28
  4. Step 4: Simplify right side
    195,996.40x = 31,228,466,847.51
  5. Step 5: Solve for x
    x = 31,228,466,847.51/195,996.40
  6. Step 6: Final answer
    x = 159,331.84

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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.