Home / 126,166.89-174,104.44-72,414.07

Finding the Fourth Proportional to 126,166.89, 174,104.44 and 72,414.07

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Solution

The fourth proportional to 126,166.89, 174,104.44 and 72,414.07 is: 99,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.89 : 174,104.44 = 72,414.07 : x
  2. Step 2: Convert to fraction form
    126,166.89/174,104.44 = 72,414.07/x
  3. Step 3: Cross multiply
    126,166.89x = 174,104.44 × 72,414.07
  4. Step 4: Simplify right side
    126,166.89x = 12,607,611,105.47
  5. Step 5: Solve for x
    x = 12,607,611,105.47/126,166.89
  6. Step 6: Final answer
    x = 99,928.05

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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.