Home / 131,815.80-197,678.57-43,047.27

Finding the Fourth Proportional to 131,815.80, 197,678.57 and 43,047.27

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Solution

The fourth proportional to 131,815.80, 197,678.57 and 43,047.27 is: 64,556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.80 : 197,678.57 = 43,047.27 : x
  2. Step 2: Convert to fraction form
    131,815.80/197,678.57 = 43,047.27/x
  3. Step 3: Cross multiply
    131,815.80x = 197,678.57 × 43,047.27
  4. Step 4: Simplify right side
    131,815.80x = 8,509,522,560.77
  5. Step 5: Solve for x
    x = 8,509,522,560.77/131,815.80
  6. Step 6: Final answer
    x = 64,556.17

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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.