Home / 215,823.07-323,537.37-75,505.15

Finding the Fourth Proportional to 215,823.07, 323,537.37 and 75,505.15

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Solution

The fourth proportional to 215,823.07, 323,537.37 and 75,505.15 is: 113,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,823.07 : 323,537.37 = 75,505.15 : x
  2. Step 2: Convert to fraction form
    215,823.07/323,537.37 = 75,505.15/x
  3. Step 3: Cross multiply
    215,823.07x = 323,537.37 × 75,505.15
  4. Step 4: Simplify right side
    215,823.07x = 24,428,737,652.46
  5. Step 5: Solve for x
    x = 24,428,737,652.46/215,823.07
  6. Step 6: Final answer
    x = 113,188.72

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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.