Home / 142,977.15-214,575.21-102,976.92

Finding the Fourth Proportional to 142,977.15, 214,575.21 and 102,976.92

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Solution

The fourth proportional to 142,977.15, 214,575.21 and 102,976.92 is: 154,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,977.15 : 214,575.21 = 102,976.92 : x
  2. Step 2: Convert to fraction form
    142,977.15/214,575.21 = 102,976.92/x
  3. Step 3: Cross multiply
    142,977.15x = 214,575.21 × 102,976.92
  4. Step 4: Simplify right side
    142,977.15x = 22,096,294,234.15
  5. Step 5: Solve for x
    x = 22,096,294,234.15/142,977.15
  6. Step 6: Final answer
    x = 154,544.23

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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.