Home / 133,067.72-183,625.60-72,626.20

Finding the Fourth Proportional to 133,067.72, 183,625.60 and 72,626.20

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Solution

The fourth proportional to 133,067.72, 183,625.60 and 72,626.20 is: 100,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.72 : 183,625.60 = 72,626.20 : x
  2. Step 2: Convert to fraction form
    133,067.72/183,625.60 = 72,626.20/x
  3. Step 3: Cross multiply
    133,067.72x = 183,625.60 × 72,626.20
  4. Step 4: Simplify right side
    133,067.72x = 13,336,029,550.72
  5. Step 5: Solve for x
    x = 13,336,029,550.72/133,067.72
  6. Step 6: Final answer
    x = 100,219.87

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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.