Home / 215,084.41-322,626.58-102,423.05

Finding the Fourth Proportional to 215,084.41, 322,626.58 and 102,423.05

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Solution

The fourth proportional to 215,084.41, 322,626.58 and 102,423.05 is: 153,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,084.41 : 322,626.58 = 102,423.05 : x
  2. Step 2: Convert to fraction form
    215,084.41/322,626.58 = 102,423.05/x
  3. Step 3: Cross multiply
    215,084.41x = 322,626.58 × 102,423.05
  4. Step 4: Simplify right side
    215,084.41x = 33,044,397,675.33
  5. Step 5: Solve for x
    x = 33,044,397,675.33/215,084.41
  6. Step 6: Final answer
    x = 153,634.56

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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.