Home / 126,493.29-174,560.92-72,777.23

Finding the Fourth Proportional to 126,493.29, 174,560.92 and 72,777.23

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Solution

The fourth proportional to 126,493.29, 174,560.92 and 72,777.23 is: 100,432.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,493.29 : 174,560.92 = 72,777.23 : x
  2. Step 2: Convert to fraction form
    126,493.29/174,560.92 = 72,777.23/x
  3. Step 3: Cross multiply
    126,493.29x = 174,560.92 × 72,777.23
  4. Step 4: Simplify right side
    126,493.29x = 12,704,060,296.37
  5. Step 5: Solve for x
    x = 12,704,060,296.37/126,493.29
  6. Step 6: Final answer
    x = 100,432.68

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1.5x scale

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.