Home / 168,943.30-233,118.73-100,945.90

Finding the Fourth Proportional to 168,943.30, 233,118.73 and 100,945.90

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Solution

The fourth proportional to 168,943.30, 233,118.73 and 100,945.90 is: 139,291.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,943.30 : 233,118.73 = 100,945.90 : x
  2. Step 2: Convert to fraction form
    168,943.30/233,118.73 = 100,945.90/x
  3. Step 3: Cross multiply
    168,943.30x = 233,118.73 × 100,945.90
  4. Step 4: Simplify right side
    168,943.30x = 23,532,380,006.71
  5. Step 5: Solve for x
    x = 23,532,380,006.71/168,943.30
  6. Step 6: Final answer
    x = 139,291.58

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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.