Home / 126,022.56-173,975.41-85,401.29

Finding the Fourth Proportional to 126,022.56, 173,975.41 and 85,401.29

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Solution

The fourth proportional to 126,022.56, 173,975.41 and 85,401.29 is: 117,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,022.56 : 173,975.41 = 85,401.29 : x
  2. Step 2: Convert to fraction form
    126,022.56/173,975.41 = 85,401.29/x
  3. Step 3: Cross multiply
    126,022.56x = 173,975.41 × 85,401.29
  4. Step 4: Simplify right side
    126,022.56x = 14,857,724,442.28
  5. Step 5: Solve for x
    x = 14,857,724,442.28/126,022.56
  6. Step 6: Final answer
    x = 117,897.34

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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.