Home / 123,983.68-171,098.56-67,395.04

Finding the Fourth Proportional to 123,983.68, 171,098.56 and 67,395.04

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Solution

The fourth proportional to 123,983.68, 171,098.56 and 67,395.04 is: 93,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,983.68 : 171,098.56 = 67,395.04 : x
  2. Step 2: Convert to fraction form
    123,983.68/171,098.56 = 67,395.04/x
  3. Step 3: Cross multiply
    123,983.68x = 171,098.56 × 67,395.04
  4. Step 4: Simplify right side
    123,983.68x = 11,531,194,295.14
  5. Step 5: Solve for x
    x = 11,531,194,295.14/123,983.68
  6. Step 6: Final answer
    x = 93,005.74

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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.