Home / 126,493.54-174,561.26-72,777.48

Finding the Fourth Proportional to 126,493.54, 174,561.26 and 72,777.48

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Solution

The fourth proportional to 126,493.54, 174,561.26 and 72,777.48 is: 100,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,493.54 : 174,561.26 = 72,777.48 : x
  2. Step 2: Convert to fraction form
    126,493.54/174,561.26 = 72,777.48/x
  3. Step 3: Cross multiply
    126,493.54x = 174,561.26 × 72,777.48
  4. Step 4: Simplify right side
    126,493.54x = 12,704,129,044.83
  5. Step 5: Solve for x
    x = 12,704,129,044.83/126,493.54
  6. Step 6: Final answer
    x = 100,433.02

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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.