Home / 126,070.24-173,976-69,481.60

Finding the Fourth Proportional to 126,070.24, 173,976 and 69,481.60

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Solution

The fourth proportional to 126,070.24, 173,976 and 69,481.60 is: 95,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,070.24 : 173,976 = 69,481.60 : x
  2. Step 2: Convert to fraction form
    126,070.24/173,976 = 69,481.60/x
  3. Step 3: Cross multiply
    126,070.24x = 173,976 × 69,481.60
  4. Step 4: Simplify right side
    126,070.24x = 12,088,130,841.60
  5. Step 5: Solve for x
    x = 12,088,130,841.60/126,070.24
  6. Step 6: Final answer
    x = 95,884.09

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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.