Home / 126,711.69-174,862.59-68,568.42

Finding the Fourth Proportional to 126,711.69, 174,862.59 and 68,568.42

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Solution

The fourth proportional to 126,711.69, 174,862.59 and 68,568.42 is: 94,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,711.69 : 174,862.59 = 68,568.42 : x
  2. Step 2: Convert to fraction form
    126,711.69/174,862.59 = 68,568.42/x
  3. Step 3: Cross multiply
    126,711.69x = 174,862.59 × 68,568.42
  4. Step 4: Simplify right side
    126,711.69x = 11,990,051,513.41
  5. Step 5: Solve for x
    x = 11,990,051,513.41/126,711.69
  6. Step 6: Final answer
    x = 94,624.67

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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.