Home / 225,822.47-311,639.00-123,847.04

Finding the Fourth Proportional to 225,822.47, 311,639.00 and 123,847.04

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Solution

The fourth proportional to 225,822.47, 311,639.00 and 123,847.04 is: 170,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,822.47 : 311,639.00 = 123,847.04 : x
  2. Step 2: Convert to fraction form
    225,822.47/311,639.00 = 123,847.04/x
  3. Step 3: Cross multiply
    225,822.47x = 311,639.00 × 123,847.04
  4. Step 4: Simplify right side
    225,822.47x = 38,595,566,802.09
  5. Step 5: Solve for x
    x = 38,595,566,802.09/225,822.47
  6. Step 6: Final answer
    x = 170,911.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.