Home / 126,174.15-174,118.01-68,813.91

Finding the Fourth Proportional to 126,174.15, 174,118.01 and 68,813.91

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Solution

The fourth proportional to 126,174.15, 174,118.01 and 68,813.91 is: 94,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,174.15 : 174,118.01 = 68,813.91 : x
  2. Step 2: Convert to fraction form
    126,174.15/174,118.01 = 68,813.91/x
  3. Step 3: Cross multiply
    126,174.15x = 174,118.01 × 68,813.91
  4. Step 4: Simplify right side
    126,174.15x = 11,981,740,725.45
  5. Step 5: Solve for x
    x = 11,981,740,725.45/126,174.15
  6. Step 6: Final answer
    x = 94,961.93

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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.