Home / 66,142.92-99,146.41-26,145.65

Finding the Fourth Proportional to 66,142.92, 99,146.41 and 26,145.65

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Solution

The fourth proportional to 66,142.92, 99,146.41 and 26,145.65 is: 39,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.92 : 99,146.41 = 26,145.65 : x
  2. Step 2: Convert to fraction form
    66,142.92/99,146.41 = 26,145.65/x
  3. Step 3: Cross multiply
    66,142.92x = 99,146.41 × 26,145.65
  4. Step 4: Simplify right side
    66,142.92x = 2,592,247,334.62
  5. Step 5: Solve for x
    x = 2,592,247,334.62/66,142.92
  6. Step 6: Final answer
    x = 39,191.61

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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.