Home / 150,287.62-207,361.32-89,002.86

Finding the Fourth Proportional to 150,287.62, 207,361.32 and 89,002.86

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Solution

The fourth proportional to 150,287.62, 207,361.32 and 89,002.86 is: 122,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,287.62 : 207,361.32 = 89,002.86 : x
  2. Step 2: Convert to fraction form
    150,287.62/207,361.32 = 89,002.86/x
  3. Step 3: Cross multiply
    150,287.62x = 207,361.32 × 89,002.86
  4. Step 4: Simplify right side
    150,287.62x = 18,455,750,533.38
  5. Step 5: Solve for x
    x = 18,455,750,533.38/150,287.62
  6. Step 6: Final answer
    x = 122,802.87

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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.