Home / 150,121.46-206,929.41-118,239.86

Finding the Fourth Proportional to 150,121.46, 206,929.41 and 118,239.86

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Solution

The fourth proportional to 150,121.46, 206,929.41 and 118,239.86 is: 162,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,121.46 : 206,929.41 = 118,239.86 : x
  2. Step 2: Convert to fraction form
    150,121.46/206,929.41 = 118,239.86/x
  3. Step 3: Cross multiply
    150,121.46x = 206,929.41 × 118,239.86
  4. Step 4: Simplify right side
    150,121.46x = 24,467,304,468.28
  5. Step 5: Solve for x
    x = 24,467,304,468.28/150,121.46
  6. Step 6: Final answer
    x = 162,983.39

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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.