Home / 123,664.91-170,657.87-67,076.28

Finding the Fourth Proportional to 123,664.91, 170,657.87 and 67,076.28

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Solution

The fourth proportional to 123,664.91, 170,657.87 and 67,076.28 is: 92,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,664.91 : 170,657.87 = 67,076.28 : x
  2. Step 2: Convert to fraction form
    123,664.91/170,657.87 = 67,076.28/x
  3. Step 3: Cross multiply
    123,664.91x = 170,657.87 × 67,076.28
  4. Step 4: Simplify right side
    123,664.91x = 11,447,094,736.94
  5. Step 5: Solve for x
    x = 11,447,094,736.94/123,664.91
  6. Step 6: Final answer
    x = 92,565.43

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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.