Home / 163,269.18-225,309.56-91,647.36

Finding the Fourth Proportional to 163,269.18, 225,309.56 and 91,647.36

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Solution

The fourth proportional to 163,269.18, 225,309.56 and 91,647.36 is: 126,472.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,269.18 : 225,309.56 = 91,647.36 : x
  2. Step 2: Convert to fraction form
    163,269.18/225,309.56 = 91,647.36/x
  3. Step 3: Cross multiply
    163,269.18x = 225,309.56 × 91,647.36
  4. Step 4: Simplify right side
    163,269.18x = 20,649,025,898.52
  5. Step 5: Solve for x
    x = 20,649,025,898.52/163,269.18
  6. Step 6: Final answer
    x = 126,472.28

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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.