Home / 195,822.96-270,144.48-115,199.20

Finding the Fourth Proportional to 195,822.96, 270,144.48 and 115,199.20

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Solution

The fourth proportional to 195,822.96, 270,144.48 and 115,199.20 is: 158,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,822.96 : 270,144.48 = 115,199.20 : x
  2. Step 2: Convert to fraction form
    195,822.96/270,144.48 = 115,199.20/x
  3. Step 3: Cross multiply
    195,822.96x = 270,144.48 × 115,199.20
  4. Step 4: Simplify right side
    195,822.96x = 31,120,427,980.42
  5. Step 5: Solve for x
    x = 31,120,427,980.42/195,822.96
  6. Step 6: Final answer
    x = 158,921.24

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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.