Home / 204,155.66-306,033.93-91,864.15

Finding the Fourth Proportional to 204,155.66, 306,033.93 and 91,864.15

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Solution

The fourth proportional to 204,155.66, 306,033.93 and 91,864.15 is: 137,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.66 : 306,033.93 = 91,864.15 : x
  2. Step 2: Convert to fraction form
    204,155.66/306,033.93 = 91,864.15/x
  3. Step 3: Cross multiply
    204,155.66x = 306,033.93 × 91,864.15
  4. Step 4: Simplify right side
    204,155.66x = 28,113,546,850.61
  5. Step 5: Solve for x
    x = 28,113,546,850.61/204,155.66
  6. Step 6: Final answer
    x = 137,706.43

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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.