Home / 96,690.06-145,035.36-30,132.36

Finding the Fourth Proportional to 96,690.06, 145,035.36 and 30,132.36

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Solution

The fourth proportional to 96,690.06, 145,035.36 and 30,132.36 is: 45,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.06 : 145,035.36 = 30,132.36 : x
  2. Step 2: Convert to fraction form
    96,690.06/145,035.36 = 30,132.36/x
  3. Step 3: Cross multiply
    96,690.06x = 145,035.36 × 30,132.36
  4. Step 4: Simplify right side
    96,690.06x = 4,370,257,680.25
  5. Step 5: Solve for x
    x = 4,370,257,680.25/96,690.06
  6. Step 6: Final answer
    x = 45,198.62

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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.