Home / 143,949.34-215,989.62-73,877.86

Finding the Fourth Proportional to 143,949.34, 215,989.62 and 73,877.86

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Solution

The fourth proportional to 143,949.34, 215,989.62 and 73,877.86 is: 110,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,949.34 : 215,989.62 = 73,877.86 : x
  2. Step 2: Convert to fraction form
    143,949.34/215,989.62 = 73,877.86/x
  3. Step 3: Cross multiply
    143,949.34x = 215,989.62 × 73,877.86
  4. Step 4: Simplify right side
    143,949.34x = 15,956,850,907.81
  5. Step 5: Solve for x
    x = 15,956,850,907.81/143,949.34
  6. Step 6: Final answer
    x = 110,850.46

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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.