Home / 126,884.06-175,086.50-70,289.90

Finding the Fourth Proportional to 126,884.06, 175,086.50 and 70,289.90

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Solution

The fourth proportional to 126,884.06, 175,086.50 and 70,289.90 is: 96,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,884.06 : 175,086.50 = 70,289.90 : x
  2. Step 2: Convert to fraction form
    126,884.06/175,086.50 = 70,289.90/x
  3. Step 3: Cross multiply
    126,884.06x = 175,086.50 × 70,289.90
  4. Step 4: Simplify right side
    126,884.06x = 12,306,812,576.35
  5. Step 5: Solve for x
    x = 12,306,812,576.35/126,884.06
  6. Step 6: Final answer
    x = 96,992.58

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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.