Home / 145,016.66-200,124.96-108,653.60

Finding the Fourth Proportional to 145,016.66, 200,124.96 and 108,653.60

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Solution

The fourth proportional to 145,016.66, 200,124.96 and 108,653.60 is: 149,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,016.66 : 200,124.96 = 108,653.60 : x
  2. Step 2: Convert to fraction form
    145,016.66/200,124.96 = 108,653.60/x
  3. Step 3: Cross multiply
    145,016.66x = 200,124.96 × 108,653.60
  4. Step 4: Simplify right side
    145,016.66x = 21,744,297,353.86
  5. Step 5: Solve for x
    x = 21,744,297,353.86/145,016.66
  6. Step 6: Final answer
    x = 149,943.44

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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.