Home / 126,289.33-174,301.85-75,305.34

Finding the Fourth Proportional to 126,289.33, 174,301.85 and 75,305.34

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Solution

The fourth proportional to 126,289.33, 174,301.85 and 75,305.34 is: 103,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,289.33 : 174,301.85 = 75,305.34 : x
  2. Step 2: Convert to fraction form
    126,289.33/174,301.85 = 75,305.34/x
  3. Step 3: Cross multiply
    126,289.33x = 174,301.85 × 75,305.34
  4. Step 4: Simplify right side
    126,289.33x = 13,125,860,076.88
  5. Step 5: Solve for x
    x = 13,125,860,076.88/126,289.33
  6. Step 6: Final answer
    x = 103,934.83

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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.