Home / 126,582.36-174,676.68-69,990

Finding the Fourth Proportional to 126,582.36, 174,676.68 and 69,990

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Solution

The fourth proportional to 126,582.36, 174,676.68 and 69,990 is: 96,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,582.36 : 174,676.68 = 69,990 : x
  2. Step 2: Convert to fraction form
    126,582.36/174,676.68 = 69,990/x
  3. Step 3: Cross multiply
    126,582.36x = 174,676.68 × 69,990
  4. Step 4: Simplify right side
    126,582.36x = 12,225,620,833.20
  5. Step 5: Solve for x
    x = 12,225,620,833.20/126,582.36
  6. Step 6: Final answer
    x = 96,582.34

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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.