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Finding the Fourth Proportional to 203,120.09, 304,581.72 and 101,874.65

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Solution

The fourth proportional to 203,120.09, 304,581.72 and 101,874.65 is: 152,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,120.09 : 304,581.72 = 101,874.65 : x
  2. Step 2: Convert to fraction form
    203,120.09/304,581.72 = 101,874.65/x
  3. Step 3: Cross multiply
    203,120.09x = 304,581.72 × 101,874.65
  4. Step 4: Simplify right side
    203,120.09x = 31,029,154,598.49
  5. Step 5: Solve for x
    x = 31,029,154,598.49/203,120.09
  6. Step 6: Final answer
    x = 152,762.61

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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.