Home / 123,733.86-170,753.16-67,145.23

Finding the Fourth Proportional to 123,733.86, 170,753.16 and 67,145.23

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Solution

The fourth proportional to 123,733.86, 170,753.16 and 67,145.23 is: 92,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,733.86 : 170,753.16 = 67,145.23 : x
  2. Step 2: Convert to fraction form
    123,733.86/170,753.16 = 67,145.23/x
  3. Step 3: Cross multiply
    123,733.86x = 170,753.16 × 67,145.23
  4. Step 4: Simplify right side
    123,733.86x = 11,465,260,201.43
  5. Step 5: Solve for x
    x = 11,465,260,201.43/123,733.86
  6. Step 6: Final answer
    x = 92,660.65

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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.