Home / 126,331.84-174,336.88-69,742

Finding the Fourth Proportional to 126,331.84, 174,336.88 and 69,742

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Solution

The fourth proportional to 126,331.84, 174,336.88 and 69,742 is: 96,243.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,331.84 : 174,336.88 = 69,742 : x
  2. Step 2: Convert to fraction form
    126,331.84/174,336.88 = 69,742/x
  3. Step 3: Cross multiply
    126,331.84x = 174,336.88 × 69,742
  4. Step 4: Simplify right side
    126,331.84x = 12,158,602,684.96
  5. Step 5: Solve for x
    x = 12,158,602,684.96/126,331.84
  6. Step 6: Final answer
    x = 96,243.38

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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.