Home / 163,424.85-225,501.73-91,791.15

Finding the Fourth Proportional to 163,424.85, 225,501.73 and 91,791.15

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Solution

The fourth proportional to 163,424.85, 225,501.73 and 91,791.15 is: 126,657.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,424.85 : 225,501.73 = 91,791.15 : x
  2. Step 2: Convert to fraction form
    163,424.85/225,501.73 = 91,791.15/x
  3. Step 3: Cross multiply
    163,424.85x = 225,501.73 × 91,791.15
  4. Step 4: Simplify right side
    163,424.85x = 20,699,063,123.69
  5. Step 5: Solve for x
    x = 20,699,063,123.69/163,424.85
  6. Step 6: Final answer
    x = 126,657.99

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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.