Home / 136,084.46-187,785.92-75,651.42

Finding the Fourth Proportional to 136,084.46, 187,785.92 and 75,651.42

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Solution

The fourth proportional to 136,084.46, 187,785.92 and 75,651.42 is: 104,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,084.46 : 187,785.92 = 75,651.42 : x
  2. Step 2: Convert to fraction form
    136,084.46/187,785.92 = 75,651.42/x
  3. Step 3: Cross multiply
    136,084.46x = 187,785.92 × 75,651.42
  4. Step 4: Simplify right side
    136,084.46x = 14,206,271,125.75
  5. Step 5: Solve for x
    x = 14,206,271,125.75/136,084.46
  6. Step 6: Final answer
    x = 104,393.05

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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.