Home / 126,193.99-174,147.83-72,489.39

Finding the Fourth Proportional to 126,193.99, 174,147.83 and 72,489.39

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Solution

The fourth proportional to 126,193.99, 174,147.83 and 72,489.39 is: 100,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.99 : 174,147.83 = 72,489.39 : x
  2. Step 2: Convert to fraction form
    126,193.99/174,147.83 = 72,489.39/x
  3. Step 3: Cross multiply
    126,193.99x = 174,147.83 × 72,489.39
  4. Step 4: Simplify right side
    126,193.99x = 12,623,869,966.52
  5. Step 5: Solve for x
    x = 12,623,869,966.52/126,193.99
  6. Step 6: Final answer
    x = 100,035.43

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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.