Home / 133,844.23-200,498.66-80,506.75

Finding the Fourth Proportional to 133,844.23, 200,498.66 and 80,506.75

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Solution

The fourth proportional to 133,844.23, 200,498.66 and 80,506.75 is: 120,599.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,844.23 : 200,498.66 = 80,506.75 : x
  2. Step 2: Convert to fraction form
    133,844.23/200,498.66 = 80,506.75/x
  3. Step 3: Cross multiply
    133,844.23x = 200,498.66 × 80,506.75
  4. Step 4: Simplify right side
    133,844.23x = 16,141,495,495.96
  5. Step 5: Solve for x
    x = 16,141,495,495.96/133,844.23
  6. Step 6: Final answer
    x = 120,599.12

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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.