Home / 96,769.28-145,139.84-30,193.92

Finding the Fourth Proportional to 96,769.28, 145,139.84 and 30,193.92

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Solution

The fourth proportional to 96,769.28, 145,139.84 and 30,193.92 is: 45,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,769.28 : 145,139.84 = 30,193.92 : x
  2. Step 2: Convert to fraction form
    96,769.28/145,139.84 = 30,193.92/x
  3. Step 3: Cross multiply
    96,769.28x = 145,139.84 × 30,193.92
  4. Step 4: Simplify right side
    96,769.28x = 4,382,340,717.77
  5. Step 5: Solve for x
    x = 4,382,340,717.77/96,769.28
  6. Step 6: Final answer
    x = 45,286.49

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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.