Home / 113,829.20-170,743.80-107,997.20

Finding the Fourth Proportional to 113,829.20, 170,743.80 and 107,997.20

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Solution

The fourth proportional to 113,829.20, 170,743.80 and 107,997.20 is: 161,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,829.20 : 170,743.80 = 107,997.20 : x
  2. Step 2: Convert to fraction form
    113,829.20/170,743.80 = 107,997.20/x
  3. Step 3: Cross multiply
    113,829.20x = 170,743.80 × 107,997.20
  4. Step 4: Simplify right side
    113,829.20x = 18,439,852,317.36
  5. Step 5: Solve for x
    x = 18,439,852,317.36/113,829.20
  6. Step 6: Final answer
    x = 161,995.80

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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.