Home / 175,789.46-263,233.76-121,679.12

Finding the Fourth Proportional to 175,789.46, 263,233.76 and 121,679.12

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Solution

The fourth proportional to 175,789.46, 263,233.76 and 121,679.12 is: 182,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,789.46 : 263,233.76 = 121,679.12 : x
  2. Step 2: Convert to fraction form
    175,789.46/263,233.76 = 121,679.12/x
  3. Step 3: Cross multiply
    175,789.46x = 263,233.76 × 121,679.12
  4. Step 4: Simplify right side
    175,789.46x = 32,030,052,271.09
  5. Step 5: Solve for x
    x = 32,030,052,271.09/175,789.46
  6. Step 6: Final answer
    x = 182,206.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.