Home / 90,816.92-136,230.50-27,639.11

Finding the Fourth Proportional to 90,816.92, 136,230.50 and 27,639.11

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Solution

The fourth proportional to 90,816.92, 136,230.50 and 27,639.11 is: 41,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.92 : 136,230.50 = 27,639.11 : x
  2. Step 2: Convert to fraction form
    90,816.92/136,230.50 = 27,639.11/x
  3. Step 3: Cross multiply
    90,816.92x = 136,230.50 × 27,639.11
  4. Step 4: Simplify right side
    90,816.92x = 3,765,289,162.80
  5. Step 5: Solve for x
    x = 3,765,289,162.80/90,816.92
  6. Step 6: Final answer
    x = 41,460.22

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1.5x scale

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.