Home / 123,983.70-171,097.62-67,395.08

Finding the Fourth Proportional to 123,983.70, 171,097.62 and 67,395.08

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Solution

The fourth proportional to 123,983.70, 171,097.62 and 67,395.08 is: 93,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,983.70 : 171,097.62 = 67,395.08 : x
  2. Step 2: Convert to fraction form
    123,983.70/171,097.62 = 67,395.08/x
  3. Step 3: Cross multiply
    123,983.70x = 171,097.62 × 67,395.08
  4. Step 4: Simplify right side
    123,983.70x = 11,531,136,932.22
  5. Step 5: Solve for x
    x = 11,531,136,932.22/123,983.70
  6. Step 6: Final answer
    x = 93,005.27

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1.5x scale

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.