Home / 129,826.92-179,158.74-73,238.28

Finding the Fourth Proportional to 129,826.92, 179,158.74 and 73,238.28

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Solution

The fourth proportional to 129,826.92, 179,158.74 and 73,238.28 is: 101,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,826.92 : 179,158.74 = 73,238.28 : x
  2. Step 2: Convert to fraction form
    129,826.92/179,158.74 = 73,238.28/x
  3. Step 3: Cross multiply
    129,826.92x = 179,158.74 × 73,238.28
  4. Step 4: Simplify right side
    129,826.92x = 13,121,277,964.57
  5. Step 5: Solve for x
    x = 13,121,277,964.57/129,826.92
  6. Step 6: Final answer
    x = 101,067.47

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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.