Home / 134,890.63-202,335.78-40,120.42

Finding the Fourth Proportional to 134,890.63, 202,335.78 and 40,120.42

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Solution

The fourth proportional to 134,890.63, 202,335.78 and 40,120.42 is: 60,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,890.63 : 202,335.78 = 40,120.42 : x
  2. Step 2: Convert to fraction form
    134,890.63/202,335.78 = 40,120.42/x
  3. Step 3: Cross multiply
    134,890.63x = 202,335.78 × 40,120.42
  4. Step 4: Simplify right side
    134,890.63x = 8,117,796,474.63
  5. Step 5: Solve for x
    x = 8,117,796,474.63/134,890.63
  6. Step 6: Final answer
    x = 60,180.58

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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.