Home / 163,206.50-225,241.14-91,586.80

Finding the Fourth Proportional to 163,206.50, 225,241.14 and 91,586.80

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Solution

The fourth proportional to 163,206.50, 225,241.14 and 91,586.80 is: 126,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,206.50 : 225,241.14 = 91,586.80 : x
  2. Step 2: Convert to fraction form
    163,206.50/225,241.14 = 91,586.80/x
  3. Step 3: Cross multiply
    163,206.50x = 225,241.14 × 91,586.80
  4. Step 4: Simplify right side
    163,206.50x = 20,629,114,677.85
  5. Step 5: Solve for x
    x = 20,629,114,677.85/163,206.50
  6. Step 6: Final answer
    x = 126,398.86

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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.