Home / 113,383.20-170,247.60-66,727.20

Finding the Fourth Proportional to 113,383.20, 170,247.60 and 66,727.20

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Solution

The fourth proportional to 113,383.20, 170,247.60 and 66,727.20 is: 100,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.20 : 170,247.60 = 66,727.20 : x
  2. Step 2: Convert to fraction form
    113,383.20/170,247.60 = 66,727.20/x
  3. Step 3: Cross multiply
    113,383.20x = 170,247.60 × 66,727.20
  4. Step 4: Simplify right side
    113,383.20x = 11,360,145,654.72
  5. Step 5: Solve for x
    x = 11,360,145,654.72/113,383.20
  6. Step 6: Final answer
    x = 100,192.49

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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.