Home / 121,216.96-181,854.05-38,110.96

Finding the Fourth Proportional to 121,216.96, 181,854.05 and 38,110.96

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Solution

The fourth proportional to 121,216.96, 181,854.05 and 38,110.96 is: 57,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.96 : 181,854.05 = 38,110.96 : x
  2. Step 2: Convert to fraction form
    121,216.96/181,854.05 = 38,110.96/x
  3. Step 3: Cross multiply
    121,216.96x = 181,854.05 × 38,110.96
  4. Step 4: Simplify right side
    121,216.96x = 6,930,632,425.39
  5. Step 5: Solve for x
    x = 6,930,632,425.39/121,216.96
  6. Step 6: Final answer
    x = 57,175.44

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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.