Home / 143,102.20-214,653.30-49,607.96

Finding the Fourth Proportional to 143,102.20, 214,653.30 and 49,607.96

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Solution

The fourth proportional to 143,102.20, 214,653.30 and 49,607.96 is: 74,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,102.20 : 214,653.30 = 49,607.96 : x
  2. Step 2: Convert to fraction form
    143,102.20/214,653.30 = 49,607.96/x
  3. Step 3: Cross multiply
    143,102.20x = 214,653.30 × 49,607.96
  4. Step 4: Simplify right side
    143,102.20x = 10,648,512,320.27
  5. Step 5: Solve for x
    x = 10,648,512,320.27/143,102.20
  6. Step 6: Final answer
    x = 74,411.94

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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.