Home / 133,306.91-200,010.87-80,036.09

Finding the Fourth Proportional to 133,306.91, 200,010.87 and 80,036.09

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Solution

The fourth proportional to 133,306.91, 200,010.87 and 80,036.09 is: 120,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,306.91 : 200,010.87 = 80,036.09 : x
  2. Step 2: Convert to fraction form
    133,306.91/200,010.87 = 80,036.09/x
  3. Step 3: Cross multiply
    133,306.91x = 200,010.87 × 80,036.09
  4. Step 4: Simplify right side
    133,306.91x = 16,008,087,992.30
  5. Step 5: Solve for x
    x = 16,008,087,992.30/133,306.91
  6. Step 6: Final answer
    x = 120,084.46

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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.