Home / 126,418.08-174,448.08-69,825

Finding the Fourth Proportional to 126,418.08, 174,448.08 and 69,825

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Solution

The fourth proportional to 126,418.08, 174,448.08 and 69,825 is: 96,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.08 : 174,448.08 = 69,825 : x
  2. Step 2: Convert to fraction form
    126,418.08/174,448.08 = 69,825/x
  3. Step 3: Cross multiply
    126,418.08x = 174,448.08 × 69,825
  4. Step 4: Simplify right side
    126,418.08x = 12,180,837,186
  5. Step 5: Solve for x
    x = 12,180,837,186/126,418.08
  6. Step 6: Final answer
    x = 96,353.60

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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.