Home / 126,486.27-174,544.19-69,894

Finding the Fourth Proportional to 126,486.27, 174,544.19 and 69,894

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Solution

The fourth proportional to 126,486.27, 174,544.19 and 69,894 is: 96,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,486.27 : 174,544.19 = 69,894 : x
  2. Step 2: Convert to fraction form
    126,486.27/174,544.19 = 69,894/x
  3. Step 3: Cross multiply
    126,486.27x = 174,544.19 × 69,894
  4. Step 4: Simplify right side
    126,486.27x = 12,199,591,266.39
  5. Step 5: Solve for x
    x = 12,199,591,266.39/126,486.27
  6. Step 6: Final answer
    x = 96,449.93

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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.