Home / 89,143.88-133,718.24-25,961.44

Finding the Fourth Proportional to 89,143.88, 133,718.24 and 25,961.44

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Solution

The fourth proportional to 89,143.88, 133,718.24 and 25,961.44 is: 38,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,143.88 : 133,718.24 = 25,961.44 : x
  2. Step 2: Convert to fraction form
    89,143.88/133,718.24 = 25,961.44/x
  3. Step 3: Cross multiply
    89,143.88x = 133,718.24 × 25,961.44
  4. Step 4: Simplify right side
    89,143.88x = 3,471,518,064.67
  5. Step 5: Solve for x
    x = 3,471,518,064.67/89,143.88
  6. Step 6: Final answer
    x = 38,942.86

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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.