Home / 96,866.28-145,221.05-30,272.13

Finding the Fourth Proportional to 96,866.28, 145,221.05 and 30,272.13

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Solution

The fourth proportional to 96,866.28, 145,221.05 and 30,272.13 is: 45,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,866.28 : 145,221.05 = 30,272.13 : x
  2. Step 2: Convert to fraction form
    96,866.28/145,221.05 = 30,272.13/x
  3. Step 3: Cross multiply
    96,866.28x = 145,221.05 × 30,272.13
  4. Step 4: Simplify right side
    96,866.28x = 4,396,150,352.98
  5. Step 5: Solve for x
    x = 4,396,150,352.98/96,866.28
  6. Step 6: Final answer
    x = 45,383.70

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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.