Home / 225,543.31-311,249.66-123,575.24

Finding the Fourth Proportional to 225,543.31, 311,249.66 and 123,575.24

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Solution

The fourth proportional to 225,543.31, 311,249.66 and 123,575.24 is: 170,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,543.31 : 311,249.66 = 123,575.24 : x
  2. Step 2: Convert to fraction form
    225,543.31/311,249.66 = 123,575.24/x
  3. Step 3: Cross multiply
    225,543.31x = 311,249.66 × 123,575.24
  4. Step 4: Simplify right side
    225,543.31x = 38,462,751,594.67
  5. Step 5: Solve for x
    x = 38,462,751,594.67/225,543.31
  6. Step 6: Final answer
    x = 170,533.77

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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.