Home / 215,645.06-323,423.04-57,836

Finding the Fourth Proportional to 215,645.06, 323,423.04 and 57,836

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Solution

The fourth proportional to 215,645.06, 323,423.04 and 57,836 is: 86,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,645.06 : 323,423.04 = 57,836 : x
  2. Step 2: Convert to fraction form
    215,645.06/323,423.04 = 57,836/x
  3. Step 3: Cross multiply
    215,645.06x = 323,423.04 × 57,836
  4. Step 4: Simplify right side
    215,645.06x = 18,705,494,941.44
  5. Step 5: Solve for x
    x = 18,705,494,941.44/215,645.06
  6. Step 6: Final answer
    x = 86,742.05

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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.