Home / 123,984.28-171,099.30-67,395.52

Finding the Fourth Proportional to 123,984.28, 171,099.30 and 67,395.52

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Solution

The fourth proportional to 123,984.28, 171,099.30 and 67,395.52 is: 93,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,984.28 : 171,099.30 = 67,395.52 : x
  2. Step 2: Convert to fraction form
    123,984.28/171,099.30 = 67,395.52/x
  3. Step 3: Cross multiply
    123,984.28x = 171,099.30 × 67,395.52
  4. Step 4: Simplify right side
    123,984.28x = 11,531,326,295.14
  5. Step 5: Solve for x
    x = 11,531,326,295.14/123,984.28
  6. Step 6: Final answer
    x = 93,006.36

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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.