Home / 126,613.76-189,629.84-63,239.36

Finding the Fourth Proportional to 126,613.76, 189,629.84 and 63,239.36

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Solution

The fourth proportional to 126,613.76, 189,629.84 and 63,239.36 is: 94,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613.76 : 189,629.84 = 63,239.36 : x
  2. Step 2: Convert to fraction form
    126,613.76/189,629.84 = 63,239.36/x
  3. Step 3: Cross multiply
    126,613.76x = 189,629.84 × 63,239.36
  4. Step 4: Simplify right side
    126,613.76x = 11,992,069,718.50
  5. Step 5: Solve for x
    x = 11,992,069,718.50/126,613.76
  6. Step 6: Final answer
    x = 94,713.80

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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.