Home / 143,018.91-214,563.05-43,173.14

Finding the Fourth Proportional to 143,018.91, 214,563.05 and 43,173.14

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Solution

The fourth proportional to 143,018.91, 214,563.05 and 43,173.14 is: 64,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,018.91 : 214,563.05 = 43,173.14 : x
  2. Step 2: Convert to fraction form
    143,018.91/214,563.05 = 43,173.14/x
  3. Step 3: Cross multiply
    143,018.91x = 214,563.05 × 43,173.14
  4. Step 4: Simplify right side
    143,018.91x = 9,263,359,307.80
  5. Step 5: Solve for x
    x = 9,263,359,307.80/143,018.91
  6. Step 6: Final answer
    x = 64,770.17

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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.