Home / 126,348.32-189,521.55-51,450.86

Finding the Fourth Proportional to 126,348.32, 189,521.55 and 51,450.86

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Solution

The fourth proportional to 126,348.32, 189,521.55 and 51,450.86 is: 77,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.32 : 189,521.55 = 51,450.86 : x
  2. Step 2: Convert to fraction form
    126,348.32/189,521.55 = 51,450.86/x
  3. Step 3: Cross multiply
    126,348.32x = 189,521.55 × 51,450.86
  4. Step 4: Simplify right side
    126,348.32x = 9,751,046,736.03
  5. Step 5: Solve for x
    x = 9,751,046,736.03/126,348.32
  6. Step 6: Final answer
    x = 77,175.91

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1.5x scale

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.