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Finding the Fourth Proportional to 143,325.53, 214,992.81 and 36,710.16

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Solution

The fourth proportional to 143,325.53, 214,992.81 and 36,710.16 is: 55,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,325.53 : 214,992.81 = 36,710.16 : x
  2. Step 2: Convert to fraction form
    143,325.53/214,992.81 = 36,710.16/x
  3. Step 3: Cross multiply
    143,325.53x = 214,992.81 × 36,710.16
  4. Step 4: Simplify right side
    143,325.53x = 7,892,420,453.95
  5. Step 5: Solve for x
    x = 7,892,420,453.95/143,325.53
  6. Step 6: Final answer
    x = 55,066.40

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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.