Home / 225,224.13-310,809.27-123,249.60

Finding the Fourth Proportional to 225,224.13, 310,809.27 and 123,249.60

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Solution

The fourth proportional to 225,224.13, 310,809.27 and 123,249.60 is: 170,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,224.13 : 310,809.27 = 123,249.60 : x
  2. Step 2: Convert to fraction form
    225,224.13/310,809.27 = 123,249.60/x
  3. Step 3: Cross multiply
    225,224.13x = 310,809.27 × 123,249.60
  4. Step 4: Simplify right side
    225,224.13x = 38,307,118,203.79
  5. Step 5: Solve for x
    x = 38,307,118,203.79/225,224.13
  6. Step 6: Final answer
    x = 170,084.43

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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.