Home / 121,668.36-182,502.78-38,562.12

Finding the Fourth Proportional to 121,668.36, 182,502.78 and 38,562.12

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Solution

The fourth proportional to 121,668.36, 182,502.78 and 38,562.12 is: 57,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,668.36 : 182,502.78 = 38,562.12 : x
  2. Step 2: Convert to fraction form
    121,668.36/182,502.78 = 38,562.12/x
  3. Step 3: Cross multiply
    121,668.36x = 182,502.78 × 38,562.12
  4. Step 4: Simplify right side
    121,668.36x = 7,037,694,102.69
  5. Step 5: Solve for x
    x = 7,037,694,102.69/121,668.36
  6. Step 6: Final answer
    x = 57,843.26

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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.