Home / 123,823.08-170,874.36-67,234.86

Finding the Fourth Proportional to 123,823.08, 170,874.36 and 67,234.86

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Solution

The fourth proportional to 123,823.08, 170,874.36 and 67,234.86 is: 92,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,823.08 : 170,874.36 = 67,234.86 : x
  2. Step 2: Convert to fraction form
    123,823.08/170,874.36 = 67,234.86/x
  3. Step 3: Cross multiply
    123,823.08x = 170,874.36 × 67,234.86
  4. Step 4: Simplify right side
    123,823.08x = 11,488,713,672.19
  5. Step 5: Solve for x
    x = 11,488,713,672.19/123,823.08
  6. Step 6: Final answer
    x = 92,783.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.