Home / 126,528.90-189,793.35-33,034.65

Finding the Fourth Proportional to 126,528.90, 189,793.35 and 33,034.65

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Solution

The fourth proportional to 126,528.90, 189,793.35 and 33,034.65 is: 49,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,528.90 : 189,793.35 = 33,034.65 : x
  2. Step 2: Convert to fraction form
    126,528.90/189,793.35 = 33,034.65/x
  3. Step 3: Cross multiply
    126,528.90x = 189,793.35 × 33,034.65
  4. Step 4: Simplify right side
    126,528.90x = 6,269,756,889.58
  5. Step 5: Solve for x
    x = 6,269,756,889.58/126,528.90
  6. Step 6: Final answer
    x = 49,551.98

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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.