Home / 126,860.44-174,988.20-81,597.40

Finding the Fourth Proportional to 126,860.44, 174,988.20 and 81,597.40

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Solution

The fourth proportional to 126,860.44, 174,988.20 and 81,597.40 is: 112,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,860.44 : 174,988.20 = 81,597.40 : x
  2. Step 2: Convert to fraction form
    126,860.44/174,988.20 = 81,597.40/x
  3. Step 3: Cross multiply
    126,860.44x = 174,988.20 × 81,597.40
  4. Step 4: Simplify right side
    126,860.44x = 14,278,582,150.68
  5. Step 5: Solve for x
    x = 14,278,582,150.68/126,860.44
  6. Step 6: Final answer
    x = 112,553.47

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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.