Home / 126,012.88-173,922.96-72,334.20

Finding the Fourth Proportional to 126,012.88, 173,922.96 and 72,334.20

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Solution

The fourth proportional to 126,012.88, 173,922.96 and 72,334.20 is: 99,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.88 : 173,922.96 = 72,334.20 : x
  2. Step 2: Convert to fraction form
    126,012.88/173,922.96 = 72,334.20/x
  3. Step 3: Cross multiply
    126,012.88x = 173,922.96 × 72,334.20
  4. Step 4: Simplify right side
    126,012.88x = 12,580,578,173.23
  5. Step 5: Solve for x
    x = 12,580,578,173.23/126,012.88
  6. Step 6: Final answer
    x = 99,835.65

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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.