Home / 204,172.90-306,153.88-91,757.05

Finding the Fourth Proportional to 204,172.90, 306,153.88 and 91,757.05

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Solution

The fourth proportional to 204,172.90, 306,153.88 and 91,757.05 is: 137,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,172.90 : 306,153.88 = 91,757.05 : x
  2. Step 2: Convert to fraction form
    204,172.90/306,153.88 = 91,757.05/x
  3. Step 3: Cross multiply
    204,172.90x = 306,153.88 × 91,757.05
  4. Step 4: Simplify right side
    204,172.90x = 28,091,776,874.85
  5. Step 5: Solve for x
    x = 28,091,776,874.85/204,172.90
  6. Step 6: Final answer
    x = 137,588.18

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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.