Home / 100,810-151,171.32-30,673.04

Finding the Fourth Proportional to 100,810, 151,171.32 and 30,673.04

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Solution

The fourth proportional to 100,810, 151,171.32 and 30,673.04 is: 45,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,810 : 151,171.32 = 30,673.04 : x
  2. Step 2: Convert to fraction form
    100,810/151,171.32 = 30,673.04/x
  3. Step 3: Cross multiply
    100,810x = 151,171.32 × 30,673.04
  4. Step 4: Simplify right side
    100,810x = 4,636,883,945.21
  5. Step 5: Solve for x
    x = 4,636,883,945.21/100,810
  6. Step 6: Final answer
    x = 45,996.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.