Home / 223,217.48-308,042.39-121,243.93

Finding the Fourth Proportional to 223,217.48, 308,042.39 and 121,243.93

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Solution

The fourth proportional to 223,217.48, 308,042.39 and 121,243.93 is: 167,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,217.48 : 308,042.39 = 121,243.93 : x
  2. Step 2: Convert to fraction form
    223,217.48/308,042.39 = 121,243.93/x
  3. Step 3: Cross multiply
    223,217.48x = 308,042.39 × 121,243.93
  4. Step 4: Simplify right side
    223,217.48x = 37,348,267,823.76
  5. Step 5: Solve for x
    x = 37,348,267,823.76/223,217.48
  6. Step 6: Final answer
    x = 167,317.85

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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.