Home / 143,320.45-214,980.68-36,704.20

Finding the Fourth Proportional to 143,320.45, 214,980.68 and 36,704.20

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Solution

The fourth proportional to 143,320.45, 214,980.68 and 36,704.20 is: 55,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,320.45 : 214,980.68 = 36,704.20 : x
  2. Step 2: Convert to fraction form
    143,320.45/214,980.68 = 36,704.20/x
  3. Step 3: Cross multiply
    143,320.45x = 214,980.68 × 36,704.20
  4. Step 4: Simplify right side
    143,320.45x = 7,890,693,691.34
  5. Step 5: Solve for x
    x = 7,890,693,691.34/143,320.45
  6. Step 6: Final answer
    x = 55,056.30

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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.