Home / 163,136.96-225,078.56-95,105.78

Finding the Fourth Proportional to 163,136.96, 225,078.56 and 95,105.78

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Solution

The fourth proportional to 163,136.96, 225,078.56 and 95,105.78 is: 131,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,136.96 : 225,078.56 = 95,105.78 : x
  2. Step 2: Convert to fraction form
    163,136.96/225,078.56 = 95,105.78/x
  3. Step 3: Cross multiply
    163,136.96x = 225,078.56 × 95,105.78
  4. Step 4: Simplify right side
    163,136.96x = 21,406,272,010.08
  5. Step 5: Solve for x
    x = 21,406,272,010.08/163,136.96
  6. Step 6: Final answer
    x = 131,216.57

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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.