Home / 179,157.66-268,727.62-66,829.12

Finding the Fourth Proportional to 179,157.66, 268,727.62 and 66,829.12

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Solution

The fourth proportional to 179,157.66, 268,727.62 and 66,829.12 is: 100,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,157.66 : 268,727.62 = 66,829.12 : x
  2. Step 2: Convert to fraction form
    179,157.66/268,727.62 = 66,829.12/x
  3. Step 3: Cross multiply
    179,157.66x = 268,727.62 × 66,829.12
  4. Step 4: Simplify right side
    179,157.66x = 17,958,830,364.29
  5. Step 5: Solve for x
    x = 17,958,830,364.29/179,157.66
  6. Step 6: Final answer
    x = 100,240.37

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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.