Home / 163,973.62-226,295.34-91,381.39

Finding the Fourth Proportional to 163,973.62, 226,295.34 and 91,381.39

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Solution

The fourth proportional to 163,973.62, 226,295.34 and 91,381.39 is: 126,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,973.62 : 226,295.34 = 91,381.39 : x
  2. Step 2: Convert to fraction form
    163,973.62/226,295.34 = 91,381.39/x
  3. Step 3: Cross multiply
    163,973.62x = 226,295.34 × 91,381.39
  4. Step 4: Simplify right side
    163,973.62x = 20,679,183,218.79
  5. Step 5: Solve for x
    x = 20,679,183,218.79/163,973.62
  6. Step 6: Final answer
    x = 126,112.87

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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.