Home / 123,983.20-171,094.80-67,396

Finding the Fourth Proportional to 123,983.20, 171,094.80 and 67,396

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Solution

The fourth proportional to 123,983.20, 171,094.80 and 67,396 is: 93,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,983.20 : 171,094.80 = 67,396 : x
  2. Step 2: Convert to fraction form
    123,983.20/171,094.80 = 67,396/x
  3. Step 3: Cross multiply
    123,983.20x = 171,094.80 × 67,396
  4. Step 4: Simplify right side
    123,983.20x = 11,531,105,140.80
  5. Step 5: Solve for x
    x = 11,531,105,140.80/123,983.20
  6. Step 6: Final answer
    x = 93,005.38

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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.