Home / 225,003.24-310,519.44-129,533.40

Finding the Fourth Proportional to 225,003.24, 310,519.44 and 129,533.40

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Solution

The fourth proportional to 225,003.24, 310,519.44 and 129,533.40 is: 178,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,003.24 : 310,519.44 = 129,533.40 : x
  2. Step 2: Convert to fraction form
    225,003.24/310,519.44 = 129,533.40/x
  3. Step 3: Cross multiply
    225,003.24x = 310,519.44 × 129,533.40
  4. Step 4: Simplify right side
    225,003.24x = 40,222,638,829.30
  5. Step 5: Solve for x
    x = 40,222,638,829.30/225,003.24
  6. Step 6: Final answer
    x = 178,764.71

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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.