Home / 126,067.23-189,100.98-72,840.24

Finding the Fourth Proportional to 126,067.23, 189,100.98 and 72,840.24

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Solution

The fourth proportional to 126,067.23, 189,100.98 and 72,840.24 is: 109,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,067.23 : 189,100.98 = 72,840.24 : x
  2. Step 2: Convert to fraction form
    126,067.23/189,100.98 = 72,840.24/x
  3. Step 3: Cross multiply
    126,067.23x = 189,100.98 × 72,840.24
  4. Step 4: Simplify right side
    126,067.23x = 13,774,160,767.44
  5. Step 5: Solve for x
    x = 13,774,160,767.44/126,067.23
  6. Step 6: Final answer
    x = 109,260.44

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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.