Home / 126,450.78-189,703.94-47,565.02

Finding the Fourth Proportional to 126,450.78, 189,703.94 and 47,565.02

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Solution

The fourth proportional to 126,450.78, 189,703.94 and 47,565.02 is: 71,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,450.78 : 189,703.94 = 47,565.02 : x
  2. Step 2: Convert to fraction form
    126,450.78/189,703.94 = 47,565.02/x
  3. Step 3: Cross multiply
    126,450.78x = 189,703.94 × 47,565.02
  4. Step 4: Simplify right side
    126,450.78x = 9,023,270,513.83
  5. Step 5: Solve for x
    x = 9,023,270,513.83/126,450.78
  6. Step 6: Final answer
    x = 71,357.97

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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.