Home / 132,478.62-198,675.78-43,715.58

Finding the Fourth Proportional to 132,478.62, 198,675.78 and 43,715.58

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Solution

The fourth proportional to 132,478.62, 198,675.78 and 43,715.58 is: 65,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,478.62 : 198,675.78 = 43,715.58 : x
  2. Step 2: Convert to fraction form
    132,478.62/198,675.78 = 43,715.58/x
  3. Step 3: Cross multiply
    132,478.62x = 198,675.78 × 43,715.58
  4. Step 4: Simplify right side
    132,478.62x = 8,685,226,954.65
  5. Step 5: Solve for x
    x = 8,685,226,954.65/132,478.62
  6. Step 6: Final answer
    x = 65,559.46

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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.