Home / 202,215.90-303,433.20-89,913.45

Finding the Fourth Proportional to 202,215.90, 303,433.20 and 89,913.45

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Solution

The fourth proportional to 202,215.90, 303,433.20 and 89,913.45 is: 134,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.90 : 303,433.20 = 89,913.45 : x
  2. Step 2: Convert to fraction form
    202,215.90/303,433.20 = 89,913.45/x
  3. Step 3: Cross multiply
    202,215.90x = 303,433.20 × 89,913.45
  4. Step 4: Simplify right side
    202,215.90x = 27,282,725,856.54
  5. Step 5: Solve for x
    x = 27,282,725,856.54/202,215.90
  6. Step 6: Final answer
    x = 134,918.80

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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.