Home / 126,171.36-174,057.12-75,155.04

Finding the Fourth Proportional to 126,171.36, 174,057.12 and 75,155.04

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Solution

The fourth proportional to 126,171.36, 174,057.12 and 75,155.04 is: 103,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171.36 : 174,057.12 = 75,155.04 : x
  2. Step 2: Convert to fraction form
    126,171.36/174,057.12 = 75,155.04/x
  3. Step 3: Cross multiply
    126,171.36x = 174,057.12 × 75,155.04
  4. Step 4: Simplify right side
    126,171.36x = 13,081,269,815.88
  5. Step 5: Solve for x
    x = 13,081,269,815.88/126,171.36
  6. Step 6: Final answer
    x = 103,678.60

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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.